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28552174613 is a prime number
BaseRepresentation
bin11010100101110101…
…111001110000010101
32201200211221202022122
4122211311321300111
5431433324041423
621041112105325
72030356323404
oct324565716025
981624852278
1028552174613
1111121a5a426
12564a095245
13290043cca1
14154c04763b
15b219888c8
hex6a5d79c15

28552174613 has 2 divisors, whose sum is σ = 28552174614. Its totient is φ = 28552174612.

The previous prime is 28552174591. The next prime is 28552174649. The reversal of 28552174613 is 31647125582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21456976324 + 7095198289 = 146482^2 + 84233^2 .

It is a cyclic number.

It is not a de Polignac number, because 28552174613 - 210 = 28552173589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28552174813) 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, 14276087306 + 14276087307.

It is an arithmetic number, because the mean of its divisors is an integer number (14276087307).

Almost surely, 228552174613 is an apocalyptic number.

It is an amenable number.

28552174613 is a deficient number, since it is larger than the sum of its proper divisors (1).

28552174613 is an equidigital number, since it uses as much as digits as its factorization.

28552174613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 44.

The spelling of 28552174613 in words is "twenty-eight billion, five hundred fifty-two million, one hundred seventy-four thousand, six hundred thirteen".