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131087014290495 = 32519769199373401
BaseRepresentation
bin11101110011100100010010…
…111010111110010000111111
3122012010210111102011122220200
4131303210102322332100333
5114140212201124243440
61142444313142414543
736416503262550564
oct3563442272762077
9565123442148820
10131087014290495
113884a76615449a
121285165ba31453
13581b5b5c23183
142452906b7a86b
151024d19ebbc30
hex773912ebe43f

131087014290495 has 48 divisors (see below), whose sum is σ = 239487330482400. Its totient is φ = 66147309158400.

The previous prime is 131087014290487. The next prime is 131087014290569. The reversal of 131087014290495 is 594092410780131.

131087014290495 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 8 + 7 + 0 + 142 + 9 + 0 + 495 = 666.

It is not a de Polignac number, because 131087014290495 - 23 = 131087014290487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99029206 + ... + 100344195.

It is an arithmetic number, because the mean of its divisors is an integer number (4989319385050).

Almost surely, 2131087014290495 is an apocalyptic number.

131087014290495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131087014290495 is a deficient number, since it is larger than the sum of its proper divisors (108400316191905).

131087014290495 is a wasteful number, since it uses less digits than its factorization.

131087014290495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199374200 (or 199374197 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 131087014290495 in words is "one hundred thirty-one trillion, eighty-seven billion, fourteen million, two hundred ninety thousand, four hundred ninety-five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 769 855 2307 3845 6921 11535 14611 34605 43833 73055 131499 219165 657495 199373401 598120203 996867005 1794360609 2990601015 3788094619 8971803045 11364283857 18940473095 34092851571 56821419285 153318145369 170464257855 459954436107 766590726845 1379863308321 2299772180535 2913044762011 6899316541605 8739134286033 14565223810055 26217402858099 43695671430165 131087014290495