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51872772875913 = 33111273493940523
BaseRepresentation
bin10111100101101100100100…
…01100110110011010001001
320210122222200201201120011000
423302312102030312122021
523244340414324012123
6302154004535325213
713632453445260153
oct1362662214663211
9223588621646130
1051872772875913
111558a134a71530
12599935a820809
1322c3773703ab2
14cb4926d91ad3
155ee4e3456b43
hex2f2d92336689

51872772875913 has 64 divisors (see below), whose sum is σ = 84737028096000. Its totient is φ = 31101121558080.

The previous prime is 51872772875893. The next prime is 51872772875969. The reversal of 51872772875913 is 31957827727815.

51872772875913 is a `hidden beast` number, since 5 + 1 + 8 + 7 + 2 + 7 + 7 + 28 + 7 + 591 + 3 = 666.

51872772875913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51872772875913 - 233 = 51864182941321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51872772875213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11193670 + ... + 15134192.

It is an arithmetic number, because the mean of its divisors is an integer number (1324016064000).

Almost surely, 251872772875913 is an apocalyptic number.

It is an amenable number.

51872772875913 is a deficient number, since it is larger than the sum of its proper divisors (32864255220087).

51872772875913 is a wasteful number, since it uses less digits than its factorization.

51872772875913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941019 (or 3941013 counting only the distinct ones).

The product of its digits is 414892800, while the sum is 72.

The spelling of 51872772875913 in words is "fifty-one trillion, eight hundred seventy-two billion, seven hundred seventy-two million, eight hundred seventy-five thousand, nine hundred thirteen".

Divisors: 1 3 9 11 27 33 99 127 297 349 381 1047 1143 1397 3141 3429 3839 4191 9423 11517 12573 34551 37719 44323 103653 132969 398907 487553 1196721 1462659 3940523 4387977 11821569 13163931 35464707 43345753 106394121 130037259 390111777 500446421 1170335331 1375242527 1501339263 4125727581 4504017789 5504910631 12377182743 13512053367 15127667797 16514731893 37131548229 45383003391 49544195679 136149010173 148632587037 174655800929 408447030519 523967402787 1571902208361 1921213810219 4715706625083 5763641430657 17290924291971 51872772875913