C- Program to reverse a number

Prerequisite:

Reverse number:

Program

#include<stdio.h>

int main()

{

unsigned long int numb,numb_temp,revrseNum=0;

unsigned long int r;

printf("\n Program to find reverse number");

printf("\nPlease enter any Number: ");

scanf("%ld",&numb);

numb_temp=numb;

while(numb_temp>0) /*132 = 2 ----> 2*10+3=23------>23*10+1=231*/

{

r=numb_temp%10;

revrseNum=(revrseNum*10)+r;

numb_temp=numb_temp/10;

}

printf("\nreverse of %ld is= %ld",numb,revrseNum);

return 0;

}

Output:

Program to find reverse number

Please enter any Number:123

reverse of 123 is= 321