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86317452864682 = 21371118739392741
BaseRepresentation
bin10011101000000101011001…
…000111011010110010101010
3102022121212102200221222201221
4103220011121013122302222
542303211120413132212
6503325405044132254
724116141643345454
oct2350053107326252
9368555380858657
1086317452864682
112555a03193a3a6
129820a9839708a
133921915aa4880
141745b037ab2d4
159ea4ad3ae807
hex4e81591dacaa

86317452864682 has 32 divisors (see below), whose sum is σ = 141518898347904. Its totient is φ = 39244623297600.

The previous prime is 86317452864653. The next prime is 86317452864739. The reversal of 86317452864682 is 28646825471368.

It is a super-2 number, since 2×863174528646822 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17505169 + ... + 21887572.

It is an arithmetic number, because the mean of its divisors is an integer number (4422465573372).

Almost surely, 286317452864682 is an apocalyptic number.

86317452864682 is a deficient number, since it is larger than the sum of its proper divisors (55201445483222).

86317452864682 is a wasteful number, since it uses less digits than its factorization.

86317452864682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39394014.

The product of its digits is 743178240, while the sum is 70.

The spelling of 86317452864682 in words is "eighty-six trillion, three hundred seventeen billion, four hundred fifty-two million, eight hundred sixty-four thousand, six hundred eighty-two".

Divisors: 1 2 13 26 71 142 923 1187 1846 2374 15431 30862 84277 168554 1095601 2191202 39392741 78785482 512105633 1024211266 2796884611 5593769222 36359499943 46759183567 72718999886 93518367134 607869386371 1215738772742 3319902033257 6639804066514 43158726432341 86317452864682