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12248902969 is a prime number
BaseRepresentation
bin10110110100001011…
…10110110100111001
31011121122110202000221
423122011312310321
5200041204343334
65343240300041
7612352646242
oct133205666471
934548422027
1012248902969
115216206106
12245a171621
1312028b1aa4
14842acdcc9
154ba5398b4
hex2da176d39

12248902969 has 2 divisors, whose sum is σ = 12248902970. Its totient is φ = 12248902968.

The previous prime is 12248902909. The next prime is 12248903011. The reversal of 12248902969 is 96920984221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9937697344 + 2311205625 = 99688^2 + 48075^2 .

It is an emirp because it is prime and its reverse (96920984221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12248902969 - 221 = 12246805817 is a prime.

It is a super-2 number, since 2×122489029692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12248902909) 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, 6124451484 + 6124451485.

It is an arithmetic number, because the mean of its divisors is an integer number (6124451485).

Almost surely, 212248902969 is an apocalyptic number.

It is an amenable number.

12248902969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12248902969 is an equidigital number, since it uses as much as digits as its factorization.

12248902969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 12248902969 in words is "twelve billion, two hundred forty-eight million, nine hundred two thousand, nine hundred sixty-nine".