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93230637830681 = 1319443852036061
BaseRepresentation
bin10101001100101011110011…
…000011001101001000011001
3110020002202120110010021222112
4111030223303003031020121
544204442321241040211
6530141321434202105
725431456055115411
oct2514536303151031
9406082513107875
1093230637830681
11277849895a075a
12a55887bb83335
1340037c43b47a0
14190455bad9641
15aba22216088b
hex54caf30cd219

93230637830681 has 16 divisors (see below), whose sum is σ = 105925123227840. Its totient is φ = 81345586720320.

The previous prime is 93230637830663. The next prime is 93230637830741. The reversal of 93230637830681 is 18603873603239.

It is not a de Polignac number, because 93230637830681 - 214 = 93230637814297 is a prime.

It is a super-2 number, since 2×932306378306812 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93230637830681.

It is not an unprimeable number, because it can be changed into a prime (93230637830641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425908610 + ... + 426127451.

It is an arithmetic number, because the mean of its divisors is an integer number (6620320201740).

Almost surely, 293230637830681 is an apocalyptic number.

It is an amenable number.

93230637830681 is a deficient number, since it is larger than the sum of its proper divisors (12694485397159).

93230637830681 is a wasteful number, since it uses less digits than its factorization.

93230637830681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852036536.

The product of its (nonzero) digits is 23514624, while the sum is 59.

The spelling of 93230637830681 in words is "ninety-three trillion, two hundred thirty billion, six hundred thirty-seven million, eight hundred thirty thousand, six hundred eighty-one".

Divisors: 1 13 19 247 443 5759 8417 109421 852036061 11076468793 16188685159 210452907067 377451975023 4906875675299 7171587525437 93230637830681