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102681416286 = 2341016275603
BaseRepresentation
bin101111110100001001…
…0100001001001011110
3100211001001012101220000
41133220102201021132
53140242420310121
6115100551035130
710263353431461
oct1375022411136
9324031171800
10102681416286
113a601a89919
1217a9796baa6
1398b51ba5b7
144d812172d8
152a0e84d526
hex17e84a125e

102681416286 has 40 divisors (see below), whose sum is σ = 232360513704. Its totient is φ = 33888250800.

The previous prime is 102681416237. The next prime is 102681416291. The reversal of 102681416286 is 682614186201.

It is a happy number.

102681416286 is a `hidden beast` number, since 1 + 0 + 2 + 6 + 8 + 14 + 1 + 628 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3121440 + ... + 3154163.

Almost surely, 2102681416286 is an apocalyptic number.

102681416286 is an abundant number, since it is smaller than the sum of its proper divisors (129679097418).

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

102681416286 is a wasteful number, since it uses less digits than its factorization.

102681416286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275718 (or 6275709 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 102681416286 in words is "one hundred two billion, six hundred eighty-one million, four hundred sixteen thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 81 101 162 202 303 606 909 1818 2727 5454 8181 16362 6275603 12551206 18826809 37653618 56480427 112960854 169441281 338882562 508323843 633835903 1016647686 1267671806 1901507709 3803015418 5704523127 11409046254 17113569381 34227138762 51340708143 102681416286