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51104037908 = 22711165922201
BaseRepresentation
bin101111100110000010…
…011011110000010100
311212220112021002220202
4233212002123300110
51314130113203113
635251000520032
73456256104110
oct574602336024
9155815232822
1051104037908
111a744996080
129aa2780018
134a857055b1
14268b200740
1514e1777258
hexbe609bc14

51104037908 has 24 divisors (see below), whose sum is σ = 111499719744. Its totient is φ = 19910664000.

The previous prime is 51104037889. The next prime is 51104037913. The reversal of 51104037908 is 80973040115.

It is a super-2 number, since 2×511040379082 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82960793 + ... + 82961408.

It is an arithmetic number, because the mean of its divisors is an integer number (4645821656).

Almost surely, 251104037908 is an apocalyptic number.

It is an amenable number.

51104037908 is an abundant number, since it is smaller than the sum of its proper divisors (60395681836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51104037908 is a wasteful number, since it uses less digits than its factorization.

51104037908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165922223 (or 165922221 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 51104037908 in words is "fifty-one billion, one hundred four million, thirty-seven thousand, nine hundred eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 165922201 331844402 663688804 1161455407 1825144211 2322910814 3650288422 4645821628 7300576844 12776009477 25552018954 51104037908