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12560454037 is a prime number
BaseRepresentation
bin10111011001010100…
…10101000110010101
31012102100201011202101
423230222111012111
5201210434012122
65434210042101
7623155045345
oct135452250625
935370634671
1012560454037
11536605a02a
122526579331
1312522c5431
1487222cd25
154d7a7b027
hex2eca95195

12560454037 has 2 divisors, whose sum is σ = 12560454038. Its totient is φ = 12560454036.

The previous prime is 12560453999. The next prime is 12560454073. The reversal of 12560454037 is 73045406521.

12560454037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (12560454073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6319296036 + 6241158001 = 79494^2 + 79001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12560454037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12560453987 and 12560454005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12560404037) 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, 6280227018 + 6280227019.

It is an arithmetic number, because the mean of its divisors is an integer number (6280227019).

Almost surely, 212560454037 is an apocalyptic number.

It is an amenable number.

12560454037 is a deficient number, since it is larger than the sum of its proper divisors (1).

12560454037 is an equidigital number, since it uses as much as digits as its factorization.

12560454037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 12560454037 in words is "twelve billion, five hundred sixty million, four hundred fifty-four thousand, thirty-seven".