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12297866393 is a prime number
BaseRepresentation
bin10110111010000001…
…01000110010011001
31011202001121100020002
423131000220302121
5200141223211033
65352145542345
7613516065611
oct133500506231
934661540202
1012297866393
11524090904a
1224726449b5
13120ca96427
148493d7a41
154be9ac3e8
hex2dd028c99

12297866393 has 2 divisors, whose sum is σ = 12297866394. Its totient is φ = 12297866392.

The previous prime is 12297866309. The next prime is 12297866429. The reversal of 12297866393 is 39366879221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8063501209 + 4234365184 = 89797^2 + 65072^2 .

It is an emirp because it is prime and its reverse (39366879221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12297866393 - 232 = 8002899097 is a prime.

It is not a weakly prime, because it can be changed into another prime (12297866303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6148933196 + 6148933197.

It is an arithmetic number, because the mean of its divisors is an integer number (6148933197).

Almost surely, 212297866393 is an apocalyptic number.

It is an amenable number.

12297866393 is a deficient number, since it is larger than the sum of its proper divisors (1).

12297866393 is an equidigital number, since it uses as much as digits as its factorization.

12297866393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 56.

The spelling of 12297866393 in words is "twelve billion, two hundred ninety-seven million, eight hundred sixty-six thousand, three hundred ninety-three".