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108677656831 = 1753120618931
BaseRepresentation
bin110010100110110110…
…0010111000011111111
3101101111221011222120011
41211031230113003333
53240032440004311
6121531551204051
710565063561362
oct1451554270377
9341457158504
10108677656831
11420a9782117
121908bb16627
13a32c56b123
14538d7280d9
152c60e92321
hex194db170ff

108677656831 has 8 divisors (see below), whose sum is σ = 117241601904. Its totient is φ = 100354949760.

The previous prime is 108677656811. The next prime is 108677656849. The reversal of 108677656831 is 138656776801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-108677656831 is a prime.

It is a super-2 number, since 2×1086776568312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108677656811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60308565 + ... + 60310366.

It is an arithmetic number, because the mean of its divisors is an integer number (14655200238).

Almost surely, 2108677656831 is an apocalyptic number.

108677656831 is a deficient number, since it is larger than the sum of its proper divisors (8563945073).

108677656831 is a wasteful number, since it uses less digits than its factorization.

108677656831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120619001.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 108677656831 in words is "one hundred eight billion, six hundred seventy-seven million, six hundred fifty-six thousand, eight hundred thirty-one".

Divisors: 1 17 53 901 120618931 2050521827 6392803343 108677656831