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51076404885 = 35111721071121
BaseRepresentation
bin101111100100011001…
…000001011010010101
311212211121021012112110
4233210121001122111
51314101024424020
635244132341233
73455502164262
oct574431013225
9155747235473
1051076404885
111a730331a70
129a95474819
134a7ca7baac
14268768a269
1514de1198e0
hexbe4641695

51076404885 has 48 divisors (see below), whose sum is σ = 94704322752. Its totient is φ = 23307571200.

The previous prime is 51076404881. The next prime is 51076404943. The reversal of 51076404885 is 58840467015.

It is not a de Polignac number, because 51076404885 - 22 = 51076404881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51076404881) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 487876 + ... + 583245.

It is an arithmetic number, because the mean of its divisors is an integer number (1973006724).

Almost surely, 251076404885 is an apocalyptic number.

51076404885 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51076404885 is a deficient number, since it is larger than the sum of its proper divisors (43627917867).

51076404885 is a wasteful number, since it uses less digits than its factorization.

51076404885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071174 (or 1071157 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 51076404885 in words is "fifty-one billion, seventy-six million, four hundred four thousand, eight hundred eighty-five".

Divisors: 1 3 5 11 15 17 33 51 55 85 165 187 255 289 561 867 935 1445 2805 3179 4335 9537 15895 47685 1071121 3213363 5355605 11782331 16066815 18209057 35346993 54627171 58911655 91045285 176734965 200299627 273135855 309553969 600898881 928661907 1001498135 1547769845 3004494405 3405093659 4643309535 10215280977 17025468295 51076404885