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180412896986 = 27317288714081
BaseRepresentation
bin1010100000000101110…
…0100101011011011010
3122020200021200202102122
42220001130211123122
510423441200200421
6214514110301242
716014541215260
oct2500134453332
9566607622378
10180412896986
116a570416863
122ab6bab7822
13140223501aa
148a3699a430
154a5dab82ab
hex2a017256da

180412896986 has 32 divisors (see below), whose sum is σ = 310384403712. Its totient is φ = 77043732480.

The previous prime is 180412896973. The next prime is 180412897039. The reversal of 180412896986 is 689698214081.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12805466 + ... + 12819546.

It is an arithmetic number, because the mean of its divisors is an integer number (9699512616).

Almost surely, 2180412896986 is an apocalyptic number.

180412896986 is a deficient number, since it is larger than the sum of its proper divisors (129971506726).

180412896986 is a wasteful number, since it uses less digits than its factorization.

180412896986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17294.

The product of its (nonzero) digits is 11943936, while the sum is 62.

The spelling of 180412896986 in words is "one hundred eighty billion, four hundred twelve million, eight hundred ninety-six thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 317 634 2219 2887 4438 5774 14081 20209 28162 40418 98567 197134 915179 1830358 4463677 6406253 8927354 12812506 31245739 40651847 62491478 81303694 284562929 569125858 12886635499 25773270998 90206448493 180412896986