Question

answer is123456789987654321 this comes from multiple of one number which one that number

Answer 1

111111111x11111111....

Answer 2

Hey


The given number is :-


123456789987654321



# This is multiple of 3

You can check it . Just add all digits . It will give 84 which is divisible by 3 .


# This is multiple of 9


Same criteria for checking .


# Same is of checking .

Just like by finding factors .


Answer will not be single .

It has many answers and all are right according to question .


thanks :)