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512075894881 is a prime number
BaseRepresentation
bin1110111001110100001…
…10100001000001100001
31210221202110010201210111
413130322012201001201
531342212412114011
61031124443331321
751665501201065
oct7347206410141
91727673121714
10512075894881
11188196547011
12832b1220b41
1339399c362c5
141aadad59aa5
15d4c0d96121
hex773a1a1061

512075894881 has 2 divisors, whose sum is σ = 512075894882. Its totient is φ = 512075894880.

The previous prime is 512075894879. The next prime is 512075894917. The reversal of 512075894881 is 188498570215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358991507281 + 153084387600 = 599159^2 + 391260^2 .

It is a cyclic number.

It is not a de Polignac number, because 512075894881 - 21 = 512075894879 is a prime.

It is a super-2 number, since 2×5120758948812 (a number of 24 digits) contains 22 as substring.

Together with 512075894879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (512073894881) 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, 256037947440 + 256037947441.

It is an arithmetic number, because the mean of its divisors is an integer number (256037947441).

Almost surely, 2512075894881 is an apocalyptic number.

It is an amenable number.

512075894881 is a deficient number, since it is larger than the sum of its proper divisors (1).

512075894881 is an equidigital number, since it uses as much as digits as its factorization.

512075894881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 58.

The spelling of 512075894881 in words is "five hundred twelve billion, seventy-five million, eight hundred ninety-four thousand, eight hundred eighty-one".