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12430545437 is a prime number
BaseRepresentation
bin10111001001110101…
…10001001000011101
31012002022021010122202
423210322301020131
5200424204423222
65413245421245
7620016615152
oct134472611035
935068233582
1012430545437
1152a979a852
1224aab6a825
13123140c43b
1485cc94229
154cb469892
hex2e4eb121d

12430545437 has 2 divisors, whose sum is σ = 12430545438. Its totient is φ = 12430545436.

The previous prime is 12430545433. The next prime is 12430545481. The reversal of 12430545437 is 73454503421.

12430545437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7829772196 + 4600773241 = 88486^2 + 67829^2 .

It is a cyclic number.

It is not a de Polignac number, because 12430545437 - 22 = 12430545433 is a prime.

It is a super-2 number, since 2×124305454372 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12430545437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12430545433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215272718 + 6215272719.

It is an arithmetic number, because the mean of its divisors is an integer number (6215272719).

Almost surely, 212430545437 is an apocalyptic number.

It is an amenable number.

12430545437 is a deficient number, since it is larger than the sum of its proper divisors (1).

12430545437 is an equidigital number, since it uses as much as digits as its factorization.

12430545437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 12430545437 in words is "twelve billion, four hundred thirty million, five hundred forty-five thousand, four hundred thirty-seven".