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10280585857 is a prime number
BaseRepresentation
bin10011001001100010…
…10100101010000001
3222112110201212120011
421210301110222001
5132023312221412
64420044344521
7512522352343
oct114461245201
928473655504
1010280585857
1143a6139353
121baab45141
13c7ab7b6c9
146d7521293
154028347a7
hex264c54a81

10280585857 has 2 divisors, whose sum is σ = 10280585858. Its totient is φ = 10280585856.

The previous prime is 10280585741. The next prime is 10280585863. The reversal of 10280585857 is 75858508201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10039839601 + 240746256 = 100199^2 + 15516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10280585857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10280585857.

It is not a weakly prime, because it can be changed into another prime (10280585867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5140292928 + 5140292929.

It is an arithmetic number, because the mean of its divisors is an integer number (5140292929).

Almost surely, 210280585857 is an apocalyptic number.

It is an amenable number.

10280585857 is a deficient number, since it is larger than the sum of its proper divisors (1).

10280585857 is an equidigital number, since it uses as much as digits as its factorization.

10280585857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896000, while the sum is 49.

The spelling of 10280585857 in words is "ten billion, two hundred eighty million, five hundred eighty-five thousand, eight hundred fifty-seven".