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12570068249 is a prime number
BaseRepresentation
bin10111011010011110…
…00000010100011001
31012110000210121222022
423231033000110121
5201220414140444
65435152104225
7623332550204
oct135517002431
935400717868
1012570068249
115370526362
122529835075
1312542b050b
1487361293b
154d88299ee
hex2ed3c0519

12570068249 has 2 divisors, whose sum is σ = 12570068250. Its totient is φ = 12570068248.

The previous prime is 12570068239. The next prime is 12570068257. The reversal of 12570068249 is 94286007521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12536833024 + 33235225 = 111968^2 + 5765^2 .

It is a cyclic number.

It is not a de Polignac number, because 12570068249 - 24 = 12570068233 is a prime.

It is not a weakly prime, because it can be changed into another prime (12570068219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285034124 + 6285034125.

It is an arithmetic number, because the mean of its divisors is an integer number (6285034125).

Almost surely, 212570068249 is an apocalyptic number.

It is an amenable number.

12570068249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12570068249 is an equidigital number, since it uses as much as digits as its factorization.

12570068249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 12570068249 in words is "twelve billion, five hundred seventy million, sixty-eight thousand, two hundred forty-nine".