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12672028979 is a prime number
BaseRepresentation
bin10111100110100111…
…11101000100110011
31012201010122202210122
423303103331010303
5201423014411404
65453233320455
7626011316621
oct136323750463
935633582718
1012672028979
115413036a25
122557a0612b
13126c45c5cc
14882d94511
154e276a3be
hex2f34fd133

12672028979 has 2 divisors, whose sum is σ = 12672028980. Its totient is φ = 12672028978.

The previous prime is 12672028949. The next prime is 12672028997. The reversal of 12672028979 is 97982027621.

Together with next prime (12672028997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12672028979 - 216 = 12671963443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12672028979.

It is not a weakly prime, because it can be changed into another prime (12672028949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6336014489 + 6336014490.

It is an arithmetic number, because the mean of its divisors is an integer number (6336014490).

Almost surely, 212672028979 is an apocalyptic number.

12672028979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12672028979 is an equidigital number, since it uses as much as digits as its factorization.

12672028979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 12672028979 in words is "twelve billion, six hundred seventy-two million, twenty-eight thousand, nine hundred seventy-nine".