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42890924105 = 5371513893947
BaseRepresentation
bin100111111100011111…
…111001000001001001
311002201010211200211122
4213330133321001021
51200320034032410
631412005205025
73045606560651
oct477437710111
9132633750748
1042890924105
111720a899117
128390100775
134076c96243
14210c4dd361
1511b06d1e55
hex9fc7f9049

42890924105 has 32 divisors (see below), whose sum is σ = 53360536320. Its totient is φ = 33070636800.

The previous prime is 42890924077. The next prime is 42890924113. The reversal of 42890924105 is 50142909824.

It is not a de Polignac number, because 42890924105 - 210 = 42890923081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10864742 + ... + 10868688.

It is an arithmetic number, because the mean of its divisors is an integer number (1667516760).

Almost surely, 242890924105 is an apocalyptic number.

It is an amenable number.

42890924105 is a deficient number, since it is larger than the sum of its proper divisors (10469612215).

42890924105 is a wasteful number, since it uses less digits than its factorization.

42890924105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 42890924105 in words is "forty-two billion, eight hundred ninety million, nine hundred twenty-four thousand, one hundred five".

Divisors: 1 5 37 151 185 389 755 1945 3947 5587 14393 19735 27935 58739 71965 146039 293695 595997 730195 1535383 2173343 2979985 7676915 10866715 22051889 56809171 110259445 231842833 284045855 1159214165 8578184821 42890924105