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12793224791 is a prime number
BaseRepresentation
bin10111110101000100…
…10001111001010111
31020000120201011012102
423322202101321113
5202200031143131
65513243112315
7632012421314
oct137242217127
936016634172
1012793224791
115475495156
12259051269b
13128b5b48c9
14895101d0b
154ed20a1cb
hex2fa891e57

12793224791 has 2 divisors, whose sum is σ = 12793224792. Its totient is φ = 12793224790.

The previous prime is 12793224733. The next prime is 12793224809. The reversal of 12793224791 is 19742239721.

It is a strong prime.

It is an emirp because it is prime and its reverse (19742239721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12793224791 - 210 = 12793223767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12793224721) 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, 6396612395 + 6396612396.

It is an arithmetic number, because the mean of its divisors is an integer number (6396612396).

Almost surely, 212793224791 is an apocalyptic number.

12793224791 is a deficient number, since it is larger than the sum of its proper divisors (1).

12793224791 is an equidigital number, since it uses as much as digits as its factorization.

12793224791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 47.

The spelling of 12793224791 in words is "twelve billion, seven hundred ninety-three million, two hundred twenty-four thousand, seven hundred ninety-one".