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12790896697 is a prime number
BaseRepresentation
bin10111110100110010…
…11001100000111001
31020000102022212122201
423322121121200321
5202143432143242
65513121150201
7631653554005
oct137231314071
936012285581
1012790896697
115474145007
12258b78b361
13128ac7b037
14894a97705
154ecdea4b7
hex2fa659839

12790896697 has 2 divisors, whose sum is σ = 12790896698. Its totient is φ = 12790896696.

The previous prime is 12790896661. The next prime is 12790896809. The reversal of 12790896697 is 79669809721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8197310521 + 4593586176 = 90539^2 + 67776^2 .

It is a cyclic number.

It is not a de Polignac number, because 12790896697 - 231 = 10643413049 is a prime.

It is not a weakly prime, because it can be changed into another prime (12790896607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6395448348 + 6395448349.

It is an arithmetic number, because the mean of its divisors is an integer number (6395448349).

Almost surely, 212790896697 is an apocalyptic number.

It is an amenable number.

12790896697 is a deficient number, since it is larger than the sum of its proper divisors (1).

12790896697 is an equidigital number, since it uses as much as digits as its factorization.

12790896697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20575296, while the sum is 64.

The spelling of 12790896697 in words is "twelve billion, seven hundred ninety million, eight hundred ninety-six thousand, six hundred ninety-seven".