MathDB
LIMIT 2020 P2

Source: LIMIT 2020

April 11, 2020
number theory

Problem Statement

Prove that any integer has a multiple consisting of all ten digits {0,1,2,3,4,5,6,7,8,9}\{0,1,2,3,4,5,6,7,8,9\}. \\ Note: Any digit can be repeated any number of times