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79022122021021 = 4118947910171939
BaseRepresentation
bin10001111101111011000101…
…100000110011000010011101
3101100210102220112220200222211
4101331323011200303002131
540324144301214133041
6440022132305440421
722434105564336364
oct2175730540630235
9340712815820884
1079022122021021
11231a7103862053
128a43024940111
1335129a5a9c45a
1415729965b27db
159208303a5481
hex47dec583309d

79022122021021 has 8 divisors (see below), whose sum is σ = 80949926030400. Its totient is φ = 77094338734560.

The previous prime is 79022122021019. The next prime is 79022122021043. The reversal of 79022122021021 is 12012022122097.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79022122021021 - 21 = 79022122021019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79022122021061) 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, 2682670 + ... + 12854608.

It is an arithmetic number, because the mean of its divisors is an integer number (10118740753800).

Almost surely, 279022122021021 is an apocalyptic number.

It is an amenable number.

79022122021021 is a deficient number, since it is larger than the sum of its proper divisors (1927804009379).

79022122021021 is a wasteful number, since it uses less digits than its factorization.

79022122021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361459.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 79022122021021 in words is "seventy-nine trillion, twenty-two billion, one hundred twenty-two million, twenty-one thousand, twenty-one".

Divisors: 1 41 189479 7768639 10171939 417049499 1927368829781 79022122021021