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168377381070 = 23531134075297
BaseRepresentation
bin1001110011010000010…
…0101111000011001110
3121002121111202012101220
42130310010233003032
510224314102143240
6205203531344210
715110356060503
oct2346404570316
9532544665356
10168377381070
1165454707598
12287712b2066
1312b54a31b42
1482143754aa
1545a717e5d0
hex273412f0ce

168377381070 has 64 divisors (see below), whose sum is σ = 405600638976. Its totient is φ = 44734676480.

The previous prime is 168377381017. The next prime is 168377381071. The reversal of 168377381070 is 70183773861.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168377381071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31784662 + ... + 31789958.

It is an arithmetic number, because the mean of its divisors is an integer number (6337509984).

Almost surely, 2168377381070 is an apocalyptic number.

168377381070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168377381070 is an abundant number, since it is smaller than the sum of its proper divisors (237223257906).

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

168377381070 is a wasteful number, since it uses less digits than its factorization.

168377381070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9025.

The product of its (nonzero) digits is 1185408, while the sum is 51.

The spelling of 168377381070 in words is "one hundred sixty-eight billion, three hundred seventy-seven million, three hundred eighty-one thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 311 622 933 1555 1866 3110 3407 4665 5297 6814 9330 10221 10594 15891 17035 20442 26485 31782 34070 51105 52970 79455 102210 158910 1059577 1647367 2119154 3178731 3294734 4942101 5297885 6357462 8236835 9884202 10595770 15893655 16473670 18046879 24710505 31787310 36093758 49421010 54140637 90234395 108281274 180468790 270703185 541406370 5612579369 11225158738 16837738107 28062896845 33675476214 56125793690 84188690535 168377381070