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12570068257 is a prime number
BaseRepresentation
bin10111011010011110…
…00000010100100001
31012110000210121222121
423231033000110201
5201220414141012
65435152104241
7623332550215
oct135517002441
935400717877
1012570068257
11537052636a
122529835081
1312542b0516
14873612945
154d8829a07
hex2ed3c0521

12570068257 has 2 divisors, whose sum is σ = 12570068258. Its totient is φ = 12570068256.

The previous prime is 12570068249. The next prime is 12570068293. The reversal of 12570068257 is 75286007521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11337777441 + 1232290816 = 106479^2 + 35104^2 .

It is an emirp because it is prime and its reverse (75286007521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12570068257 - 23 = 12570068249 is a prime.

It is not a weakly prime, because it can be changed into another prime (12570068227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285034128 + 6285034129.

It is an arithmetic number, because the mean of its divisors is an integer number (6285034129).

Almost surely, 212570068257 is an apocalyptic number.

It is an amenable number.

12570068257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12570068257 is an equidigital number, since it uses as much as digits as its factorization.

12570068257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 12570068257 in words is "twelve billion, five hundred seventy million, sixty-eight thousand, two hundred fifty-seven".