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79434825983931 = 3117733113992159
BaseRepresentation
bin10010000011111011011100…
…100101011110011110111011
3101102020220011121020020220110
4102003323130211132132323
540402430010422441211
6440535504423555403
722505656016212215
oct2203733445363673
9342226147206813
1079434825983931
1123346136451850
128aab0025bbb63
13354289736b3c2
141588947a7d5b5
1592b437225ea6
hex483edc95e7bb

79434825983931 has 16 divisors (see below), whose sum is σ = 115691036728320. Its totient is φ = 48080038919520.

The previous prime is 79434825983893. The next prime is 79434825983959. The reversal of 79434825983931 is 13938952843497.

It is not a de Polignac number, because 79434825983931 - 26 = 79434825983867 is a prime.

It is a super-2 number, since 2×794348259839312 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79434825983131) 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, 1556970571 + ... + 1557021588.

It is an arithmetic number, because the mean of its divisors is an integer number (7230689795520).

Almost surely, 279434825983931 is an apocalyptic number.

79434825983931 is a deficient number, since it is larger than the sum of its proper divisors (36256210744389).

79434825983931 is a wasteful number, since it uses less digits than its factorization.

79434825983931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113992946.

The product of its digits is 1410877440, while the sum is 75.

The spelling of 79434825983931 in words is "seventy-nine trillion, four hundred thirty-four billion, eight hundred twenty-five million, nine hundred eighty-three thousand, nine hundred thirty-one".

Divisors: 1 3 11 33 773 2319 8503 25509 3113992159 9341976477 34253913749 102761741247 2407115938907 7221347816721 26478275327977 79434825983931