How many digits across all multiples of 1829?
Source: ISL 2022 N5
July 9, 2023
number theoryIMO ShortlistAZE IMO TST
Problem Statement
For each and , define to be the total number of times the digit appears when all the multiples of between and inclusive are written out in base .Show that there are infinitely many such that there are precisely two distinct values among , , , .