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68372013814178 = 247787924220901
BaseRepresentation
bin11111000101111000110011…
…00110001001000110100010
322222002022010012101202011112
433202330121212021012202
532430201341014023203
6401225400341343322
720254500145255334
oct1742743146110642
9288068105352145
1068372013814178
111a870454386048
127802b55107b42
132c1c5b79bb8c9
1412c531a383454
157d87a64c86d8
hex3e2f199891a2

68372013814178 has 16 divisors (see below), whose sum is σ = 104873194191744. Its totient is φ = 33416130860400.

The previous prime is 68372013814177. The next prime is 68372013814211. The reversal of 68372013814178 is 87141831027386.

It is a happy number.

It is a super-2 number, since 2×683720138141782 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68372013814177) 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, 462036473 + ... + 462184428.

It is an arithmetic number, because the mean of its divisors is an integer number (6554574636984).

Almost surely, 268372013814178 is an apocalyptic number.

68372013814178 is a deficient number, since it is larger than the sum of its proper divisors (36501180377566).

68372013814178 is a wasteful number, since it uses less digits than its factorization.

68372013814178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924221737.

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 68372013814178 in words is "sixty-eight trillion, three hundred seventy-two billion, thirteen million, eight hundred fourteen thousand, one hundred seventy-eight".

Divisors: 1 2 47 94 787 1574 36989 73978 924220901 1848441802 43438382347 86876764694 727361849087 1454723698174 34186006907089 68372013814178