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108089387961768 = 23321501241499469
BaseRepresentation
bin11000100100111010000101…
…100100101100110110101000
3112011201020121021220212122200
4120210322011210230312220
5103131414031304234033
61021515325045020200
731524125540250153
oct3044720544546650
9464636537825580
10108089387961768
11314934a7690084
12101585453b4660
134840a29b0a275
141c997a8d90c9a
15c769bdeb7013
hex624e8592cda8

108089387961768 has 24 divisors (see below), whose sum is σ = 292742092396650. Its totient is φ = 36029795987232.

The previous prime is 108089387961767. The next prime is 108089387961839. The reversal of 108089387961768 is 867169783980801.

108089387961768 is a `hidden beast` number, since 1 + 0 + 8 + 0 + 89 + 387 + 96 + 1 + 76 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 107022790613124 + 1066597348644 = 10345182^2 + 1032762^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (108089387961767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 750620749663 + ... + 750620749806.

Almost surely, 2108089387961768 is an apocalyptic number.

108089387961768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

108089387961768 is an abundant number, since it is smaller than the sum of its proper divisors (184652704434882).

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

108089387961768 is a wasteful number, since it uses less digits than its factorization.

108089387961768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501241499481 (or 1501241499474 counting only the distinct ones).

The product of its (nonzero) digits is 1755758592, while the sum is 81.

The spelling of 108089387961768 in words is "one hundred eight trillion, eighty-nine billion, three hundred eighty-seven million, nine hundred sixty-one thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1501241499469 3002482998938 4503724498407 6004965997876 9007448996814 12009931995752 13511173495221 18014897993628 27022346990442 36029795987256 54044693980884 108089387961768