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12300320381 is a prime number
BaseRepresentation
bin10110111010010011…
…11111111001111101
31011202020020000110112
423131021333321331
5200142340223011
65352314315405
7613545666236
oct133511777175
934666200415
1012300320381
115242234838
122473428b65
1312104453ab
1484987608d
154bece458b
hex2dd27fe7d

12300320381 has 2 divisors, whose sum is σ = 12300320382. Its totient is φ = 12300320380.

The previous prime is 12300320363. The next prime is 12300320387. The reversal of 12300320381 is 18302300321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7454768281 + 4845552100 = 86341^2 + 69610^2 .

It is a cyclic number.

It is not a de Polignac number, because 12300320381 - 214 = 12300303997 is a prime.

It is a super-2 number, since 2×123003203812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12300320387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150160190 + 6150160191.

It is an arithmetic number, because the mean of its divisors is an integer number (6150160191).

Almost surely, 212300320381 is an apocalyptic number.

It is an amenable number.

12300320381 is a deficient number, since it is larger than the sum of its proper divisors (1).

12300320381 is an equidigital number, since it uses as much as digits as its factorization.

12300320381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 12300320381 in words is "twelve billion, three hundred million, three hundred twenty thousand, three hundred eighty-one".