Small blue found, he will be between 1 and 19999999990007 different number and multiplied by 2021 and then divided by the remainder of 19999999990007, will get different number, small blue want to know, can you find a number between 1 and 1000000007, and 2021 multiplied after the remainder after divided by 1000000007 to 44444, if there is, please submit this number in the answer; If not, please submit 0 in the answer, the answer is 17812964?

CodePudding user response:

The remainder of 999999999