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51288237804277 = 671933966300967
BaseRepresentation
bin10111010100101011110010…
…01100100000101011110101
320201121002220110212021011101
423222111321030200223311
523210301302334214102
6301025254032210101
713542311226164635
oct1352257114405365
9221532813767141
1051288237804277
1115384246182571
125904007099931
1322805c9a18196
14c945149986c5
155de1d1139e87
hex2ea579320af5

51288237804277 has 8 divisors (see below), whose sum is σ = 52323442369856. Its totient is φ = 50260965841152.

The previous prime is 51288237804229. The next prime is 51288237804283. The reversal of 51288237804277 is 77240873288215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51288237804277 - 231 = 51286090320629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51288237814277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1983137553 + ... + 1983163414.

It is an arithmetic number, because the mean of its divisors is an integer number (6540430296232).

Almost surely, 251288237804277 is an apocalyptic number.

It is an amenable number.

51288237804277 is a deficient number, since it is larger than the sum of its proper divisors (1035204565579).

51288237804277 is a wasteful number, since it uses less digits than its factorization.

51288237804277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966301227.

The product of its (nonzero) digits is 84295680, while the sum is 64.

The spelling of 51288237804277 in words is "fifty-one trillion, two hundred eighty-eight billion, two hundred thirty-seven million, eight hundred four thousand, two hundred seventy-seven".

Divisors: 1 67 193 12931 3966300967 265742164789 765496086631 51288237804277