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79570660423 is a prime number
BaseRepresentation
bin100101000011011000…
…1111110110001000111
321121101102020100211011
41022012301332301013
52300430042113143
6100315415223051
75514556311502
oct1120661766107
9247342210734
1079570660423
1130822621991
1213508077a87
1376711c0027
143bcbb38139
15210a961e9d
hex1286c7ec47

79570660423 has 2 divisors, whose sum is σ = 79570660424. Its totient is φ = 79570660422.

The previous prime is 79570660409. The next prime is 79570660441. The reversal of 79570660423 is 32406607597.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-79570660423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79570660483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39785330211 + 39785330212.

It is an arithmetic number, because the mean of its divisors is an integer number (39785330212).

Almost surely, 279570660423 is an apocalyptic number.

79570660423 is a deficient number, since it is larger than the sum of its proper divisors (1).

79570660423 is an equidigital number, since it uses as much as digits as its factorization.

79570660423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 79570660423 in words is "seventy-nine billion, five hundred seventy million, six hundred sixty thousand, four hundred twenty-three".