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51102404532147 = 31071394192733427
BaseRepresentation
bin10111001111010001101001…
…01010110101011110110011
320200221100020102202220212210
423213220310222311132303
523144230211030012042
6300404042012223203
713523012136346353
oct1347506452653663
9220840212686783
1051102404532147
1115312454137731
125893ba3a6ab03
132268c22712a27
14c89526190b63
155d945677ea9c
hex2e7a34ab57b3

51102404532147 has 32 divisors (see below), whose sum is σ = 69433444684800. Its totient is φ = 33427088421408.

The previous prime is 51102404532133. The next prime is 51102404532217. The reversal of 51102404532147 is 74123540420115.

It is a happy number.

It is not a de Polignac number, because 51102404532147 - 212 = 51102404528051 is a prime.

It is a super-2 number, since 2×511024045321472 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51102404532247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17328648 + ... + 20062074.

It is an arithmetic number, because the mean of its divisors is an integer number (2169795146400).

Almost surely, 251102404532147 is an apocalyptic number.

51102404532147 is a deficient number, since it is larger than the sum of its proper divisors (18331040152653).

51102404532147 is a wasteful number, since it uses less digits than its factorization.

51102404532147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734095.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 51102404532147 in words is "fifty-one trillion, one hundred two billion, four hundred four million, five hundred thirty-two thousand, one hundred forty-seven".

Divisors: 1 3 107 139 321 417 419 1257 14873 44619 44833 58241 134499 174723 2733427 6231787 8200281 18695361 292476689 379946353 877430067 1139839059 1145305913 3435917739 40654259771 121962779313 122547732691 159197521907 367643198073 477592565721 17034134844049 51102404532147