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10457972881 is a prime number
BaseRepresentation
bin10011011110101100…
…00000000010010001
3222222211112001210221
421233112000002101
5132404220113011
64445422353041
7520105205566
oct115726000221
928884461727
1010457972881
1144872868a4
12203a42b781
13ca8849145
14712cd886d
154131c3971
hex26f580091

10457972881 has 2 divisors, whose sum is σ = 10457972882. Its totient is φ = 10457972880.

The previous prime is 10457972873. The next prime is 10457972891. The reversal of 10457972881 is 18827975401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7261766656 + 3196206225 = 85216^2 + 56535^2 .

It is a cyclic number.

It is not a de Polignac number, because 10457972881 - 23 = 10457972873 is a prime.

It is a super-2 number, since 2×104579728812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10457972831) 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, 5228986440 + 5228986441.

It is an arithmetic number, because the mean of its divisors is an integer number (5228986441).

Almost surely, 210457972881 is an apocalyptic number.

It is an amenable number.

10457972881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10457972881 is an equidigital number, since it uses as much as digits as its factorization.

10457972881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 52.

The spelling of 10457972881 in words is "ten billion, four hundred fifty-seven million, nine hundred seventy-two thousand, eight hundred eighty-one".