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10556128057 is a prime number
BaseRepresentation
bin10011101010011000…
…11011101100111001
31000020200012212101211
421311030123230321
5133104332044212
64503250243121
7522406415356
oct116514335471
930220185354
1010556128057
114527728282
1220672864a1
13cc2c95027
14721d6962d
1541bb119a7
hex27531bb39

10556128057 has 2 divisors, whose sum is σ = 10556128058. Its totient is φ = 10556128056.

The previous prime is 10556127991. The next prime is 10556128067. The reversal of 10556128057 is 75082165501.

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., 6899628096 + 3656499961 = 83064^2 + 60469^2 .

It is a cyclic number.

It is not a de Polignac number, because 10556128057 - 215 = 10556095289 is a prime.

It is a super-2 number, since 2×105561280572 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10556128067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278064028 + 5278064029.

It is an arithmetic number, because the mean of its divisors is an integer number (5278064029).

Almost surely, 210556128057 is an apocalyptic number.

It is an amenable number.

10556128057 is a deficient number, since it is larger than the sum of its proper divisors (1).

10556128057 is an equidigital number, since it uses as much as digits as its factorization.

10556128057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 10556128057 in words is "ten billion, five hundred fifty-six million, one hundred twenty-eight thousand, fifty-seven".