Convert String to Long in Python Last Updated : 15 Jul, 2025 Comments Improve Suggest changes 3 Likes Like Report Python defines type conversion functions to directly convert one data type to another. This article is aimed at providing information about converting a string to long. Converting String to long A long is an integer type value that has unlimited length. By converting a string into long we are translating the value of string type to long type. In Python3 int is upgraded to long by default which means that all the integers are long in Python3. So we can use int() to convert a string to long in Python. Syntax : int(string, base) Parameter : string : consists of 1's and 0's base : (integer value) base of the number.example 1 Example 1: Python3 a_string = "123" print(type(a_string)) # Converting to long a_long = int(a_string) print(a_long) print(type(a_long)) Output: <class 'str'> 123 <class 'int'> Example 2: Python3 a='0x' arr0 = '00000018000004000000000000000000' arr1 = '00000000000000000000000000000000' arr2 = 'fe000000000000000000000000000000' arr3 = '00000000000000000000000000ffffff' data = a+arr0+arr1+arr2+arr3 print(data) print(type(data)) # Converting to long data1 = int(data, 16) print(type(data1)) Output: 0x0000001800000400000000000000000000000000000000000000000000000000fe00000000000000000000000000000000000000000000000000000000ffffff <type 'str'> <type 'int'> Create Quiz Comment D deepanshumehra1410 Follow 3 Improve D deepanshumehra1410 Follow 3 Improve Article Tags : Python Python-Built-in-functions python-basics Explore Python FundamentalsPython Introduction 2 min read Input and Output in Python 4 min read Python Variables 4 min read Python Operators 4 min read Python Keywords 2 min read Python Data Types 8 min read Conditional Statements in Python 3 min read Loops in Python - For, While and Nested Loops 5 min read Python Functions 5 min read Recursion in Python 4 min read Python Lambda Functions 5 min read Python Data StructuresPython String 5 min read Python Lists 4 min read Python Tuples 4 min read Python Dictionary 3 min read Python Sets 6 min read Python Arrays 7 min read List Comprehension in Python 4 min read Advanced PythonPython OOP Concepts 11 min read Python Exception Handling 5 min read File Handling in Python 4 min read Python Database Tutorial 4 min read Python MongoDB Tutorial 3 min read Python MySQL 9 min read Python Packages 10 min read Python Modules 3 min read Python DSA Libraries 15 min read List of Python GUI Library and Packages 3 min read Data Science with PythonNumPy Tutorial - Python Library 3 min read Pandas Tutorial 4 min read Matplotlib Tutorial 5 min read Python Seaborn Tutorial 3 min read StatsModel Library - Tutorial 3 min read Learning Model Building in Scikit-learn 6 min read TensorFlow Tutorial 2 min read PyTorch Tutorial 6 min read Web Development with PythonFlask Tutorial 8 min read Django Tutorial | Learn Django Framework 7 min read Django ORM - Inserting, Updating & Deleting Data 4 min read Templating With Jinja2 in Flask 6 min read Django Templates 5 min read Build a REST API using Flask - Python 3 min read Building a Simple API with Django REST Framework 3 min read Python PracticePython Quiz 1 min read Python Coding Practice 1 min read Python Interview Questions and Answers 15+ min read Like