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275823891527081 is a prime number
BaseRepresentation
bin111110101101110001000001…
…000100110011010110101001
31100011121111200020122000121012
4332231301001010303112221
5242123044312212331311
62414343425124153305
7112045422106213652
oct7655610104632651
91304544606560535
10275823891527081
117a98228a064627
1226b28627238835
13baba1099b3581
144c17d3a238529
1521d4c2bcae78b
hexfadc411335a9

275823891527081 has 2 divisors, whose sum is σ = 275823891527082. Its totient is φ = 275823891527080.

The previous prime is 275823891526933. The next prime is 275823891527089. The reversal of 275823891527081 is 180725198328572.

275823891527081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274846363837081 + 977527690000 = 16578491^2 + 988700^2 .

It is a cyclic number.

It is not a de Polignac number, because 275823891527081 - 226 = 275823824418217 is a prime.

It is a super-2 number, since 2×2758238915270812 (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275823891527089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137911945763540 + 137911945763541.

It is an arithmetic number, because the mean of its divisors is an integer number (137911945763541).

Almost surely, 2275823891527081 is an apocalyptic number.

It is an amenable number.

275823891527081 is a deficient number, since it is larger than the sum of its proper divisors (1).

275823891527081 is an equidigital number, since it uses as much as digits as its factorization.

275823891527081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135475200, while the sum is 68.

The spelling of 275823891527081 in words is "two hundred seventy-five trillion, eight hundred twenty-three billion, eight hundred ninety-one million, five hundred twenty-seven thousand, eighty-one".