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79056689297 = 283279352259
BaseRepresentation
bin100100110100000100…
…1010101100010010001
321120001121002220222112
41021220021111202101
52243402003024142
6100152415115105
75466045525425
oct1115011254221
9246047086875
1079056689297
1130589492863
12133a3b12a95
1375bb8859c1
143b7d786b85
1520ca789382
hex1268255891

79056689297 has 4 divisors (see below), whose sum is σ = 79336041840. Its totient is φ = 78777336756.

The previous prime is 79056689267. The next prime is 79056689321. The reversal of 79056689297 is 79298665097.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79056689297 - 26 = 79056689233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79056689237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139675847 + ... + 139676412.

It is an arithmetic number, because the mean of its divisors is an integer number (19834010460).

Almost surely, 279056689297 is an apocalyptic number.

It is an amenable number.

79056689297 is a deficient number, since it is larger than the sum of its proper divisors (279352543).

79056689297 is a wasteful number, since it uses less digits than its factorization.

79056689297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279352542.

The product of its (nonzero) digits is 102876480, while the sum is 68.

The spelling of 79056689297 in words is "seventy-nine billion, fifty-six million, six hundred eighty-nine thousand, two hundred ninety-seven".

Divisors: 1 283 279352259 79056689297