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1312755593 is a prime number
BaseRepresentation
bin100111000111111…
…0000111110001001
310101111011220010112
41032033300332021
510142031134333
6334132524105
744350144532
oct11617607611
93344156115
101312755593
1161401a786
12307780635
1317bc82b76
14c64c1689
157a3ae948
hex4e3f0f89

1312755593 has 2 divisors, whose sum is σ = 1312755594. Its totient is φ = 1312755592.

The previous prime is 1312755571. The next prime is 1312755601. The reversal of 1312755593 is 3955572131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1230816889 + 81938704 = 35083^2 + 9052^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312755593 - 214 = 1312739209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312755593.

It is not a weakly prime, because it can be changed into another prime (1312752593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656377796 + 656377797.

It is an arithmetic number, because the mean of its divisors is an integer number (656377797).

Almost surely, 21312755593 is an apocalyptic number.

It is an amenable number.

1312755593 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312755593 is an equidigital number, since it uses as much as digits as its factorization.

1312755593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141750, while the sum is 41.

The square root of 1312755593 is about 36231.9692122854. The cubic root of 1312755593 is about 1094.9508517518.

The spelling of 1312755593 in words is "one billion, three hundred twelve million, seven hundred fifty-five thousand, five hundred ninety-three".