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68356872533088 = 253379116750617
BaseRepresentation
bin11111000101011100100110…
…00110101111010001100000
322222000212000222101222021000
433202232103012233101200
532424424333332024323
6401214414055232000
720253423011431566
oct1742562306572140
9288025028358230
1068356872533088
111a864a945374a7
12780002a378600
132c1b043b07399
1412c46c14a3a36
157d81bc0a7e43
hex3e2b931af460

68356872533088 has 48 divisors (see below), whose sum is σ = 199374211557360. Its totient is φ = 22785624177408.

The previous prime is 68356872533087. The next prime is 68356872533101. The reversal of 68356872533088 is 88033527865386.

68356872533088 is a `hidden beast` number, since 6 + 8 + 3 + 5 + 6 + 8 + 7 + 2 + 533 + 0 + 88 = 666.

68356872533088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68356872533087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39558374445 + ... + 39558376172.

It is an arithmetic number, because the mean of its divisors is an integer number (4153629407445).

Almost surely, 268356872533088 is an apocalyptic number.

It is an amenable number.

68356872533088 is an abundant number, since it is smaller than the sum of its proper divisors (131017339024272).

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

68356872533088 is a wasteful number, since it uses less digits than its factorization.

68356872533088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79116750636 (or 79116750622 counting only the distinct ones).

The product of its (nonzero) digits is 1393459200, while the sum is 72.

The spelling of 68356872533088 in words is "sixty-eight trillion, three hundred fifty-six billion, eight hundred seventy-two million, five hundred thirty-three thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 79116750617 158233501234 237350251851 316467002468 474700503702 632934004936 712050755553 949401007404 1265868009872 1424101511106 1898802014808 2136152266659 2531736019744 2848203022212 3797604029616 4272304533318 5696406044424 7595208059232 8544609066636 11392812088848 17089218133272 22785624177696 34178436266544 68356872533088