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12302100457 is a prime number
BaseRepresentation
bin10110111010100001…
…10010011111101001
31011202100120110021021
423131100302133221
5200143314203312
65352420412441
7613600062043
oct133520623751
934670513237
1012302100457
115243240179
122473b47121
1312109196aa
14849bbaa93
154c0046c07
hex2dd4327e9

12302100457 has 2 divisors, whose sum is σ = 12302100458. Its totient is φ = 12302100456.

The previous prime is 12302100431. The next prime is 12302100497. The reversal of 12302100457 is 75400120321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10987022761 + 1315077696 = 104819^2 + 36264^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302100457 - 27 = 12302100329 is a prime.

It is not a weakly prime, because it can be changed into another prime (12302100427) 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, 6151050228 + 6151050229.

It is an arithmetic number, because the mean of its divisors is an integer number (6151050229).

Almost surely, 212302100457 is an apocalyptic number.

It is an amenable number.

12302100457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12302100457 is an equidigital number, since it uses as much as digits as its factorization.

12302100457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 12302100457 its reverse (75400120321), we get a palindrome (87702220778).

The spelling of 12302100457 in words is "twelve billion, three hundred two million, one hundred thousand, four hundred fifty-seven".