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51131500005114 = 2324795930352587
BaseRepresentation
bin10111010000000111110101…
…11001010000011011111010
320201001010100011001002102200
423220003322321100123322
523200214303000130424
6300425253053211030
713525062143653224
oct1350037271203372
9221033304032380
1051131500005114
1115323824837161
125899763a90a76
13226b8ab587a19
14c8aac6421414
155da0aac858c9
hex2e80fae506fa

51131500005114 has 24 divisors (see below), whose sum is σ = 111016200447360. Its totient is φ = 17008251216648.

The previous prime is 51131500005109. The next prime is 51131500005133. The reversal of 51131500005114 is 41150000513115.

51131500005114 is a `hidden beast` number, since 5 + 11 + 31 + 500 + 0 + 0 + 5 + 114 = 666.

It is a super-2 number, since 2×511315000051142 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2965167672 + ... + 2965184915.

It is an arithmetic number, because the mean of its divisors is an integer number (4625675018640).

Almost surely, 251131500005114 is an apocalyptic number.

51131500005114 is an abundant number, since it is smaller than the sum of its proper divisors (59884700442246).

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

51131500005114 is a wasteful number, since it uses less digits than its factorization.

51131500005114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930353074 (or 5930353071 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

Adding to 51131500005114 its reverse (41150000513115), we get a palindrome (92281500518229).

The spelling of 51131500005114 in words is "fifty-one trillion, one hundred thirty-one billion, five hundred million, five thousand, one hundred fourteen".

Divisors: 1 2 3 6 9 18 479 958 1437 2874 4311 8622 5930352587 11860705174 17791057761 35582115522 53373173283 106746346566 2840638889173 5681277778346 8521916667519 17043833335038 25565750002557 51131500005114