Divides by 9?

Number Theory Level pending

What number would need to be added to the following number to make it divisible by 9?

\[ \large (12345678987654321)_{12}\]

Clarification: The subscript indicates base 12.

Hint: There is no need to convert the above number to decimal or use a calculator. Good luck!

Try more questions on Bases.

Problem Loading...

Note Loading...

Set Loading...