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868087467354 = 23375373779319
BaseRepresentation
bin11001010000111100000…
…10111000110101011010
310001222200111201110021210
430220132002320311122
5103210320342423404
61502443251043550
7116501005503522
oct14503602706532
93058614643253
10868087467354
11305176820778
121202a88a05b6
1363b250c2bb3
1430030d70682
15178aaa6b689
hexca1e0b8d5a

868087467354 has 32 divisors (see below), whose sum is σ = 1816741975680. Its totient is φ = 276229766592.

The previous prime is 868087467239. The next prime is 868087467383. The reversal of 868087467354 is 453764780868.

It is a super-2 number, since 2×8680874673542 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36877894 + ... + 36901425.

It is an arithmetic number, because the mean of its divisors is an integer number (56773186740).

Almost surely, 2868087467354 is an apocalyptic number.

868087467354 is an abundant number, since it is smaller than the sum of its proper divisors (948654508326).

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

868087467354 is a wasteful number, since it uses less digits than its factorization.

868087467354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73779414.

The product of its (nonzero) digits is 216760320, while the sum is 66.

The spelling of 868087467354 in words is "eight hundred sixty-eight billion, eighty-seven million, four hundred sixty-seven thousand, three hundred fifty-four".

Divisors: 1 2 3 6 37 53 74 106 111 159 222 318 1961 3922 5883 11766 73779319 147558638 221337957 442675914 2729834803 3910303907 5459669606 7820607814 8189504409 11730911721 16379008818 23461823442 144681244559 289362489118 434043733677 868087467354