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13209760079 is a prime number
BaseRepresentation
bin11000100110101110…
…01111000101001111
31021002121111100012022
430103113033011033
5204023144310304
610022443000355
7645231052025
oct142327170517
937077440168
1013209760079
11566962429a
122687b090bb
1313269955a9
148d456c715
15524a87ebe
hex3135cf14f

13209760079 has 2 divisors, whose sum is σ = 13209760080. Its totient is φ = 13209760078.

The previous prime is 13209760073. The next prime is 13209760097. The reversal of 13209760079 is 97006790231.

It is a happy number.

Together with next prime (13209760097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13209760079 is a prime.

It is a super-2 number, since 2×132097600792 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13209760073) 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, 6604880039 + 6604880040.

It is an arithmetic number, because the mean of its divisors is an integer number (6604880040).

Almost surely, 213209760079 is an apocalyptic number.

13209760079 is a deficient number, since it is larger than the sum of its proper divisors (1).

13209760079 is an equidigital number, since it uses as much as digits as its factorization.

13209760079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 44.

The spelling of 13209760079 in words is "thirteen billion, two hundred nine million, seven hundred sixty thousand, seventy-nine".