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27825110513 is a prime number
BaseRepresentation
bin11001111010100000…
…010111110111110001
32122211011212001212122
4121322200113313301
5423441212014023
620441020404025
72003350352114
oct317240276761
978734761778
1027825110513
1110889605402
1254866a6615
132815916045
1414bd66657b
15accc1c2c8
hex67a817df1

27825110513 has 2 divisors, whose sum is σ = 27825110514. Its totient is φ = 27825110512.

The previous prime is 27825110491. The next prime is 27825110527. The reversal of 27825110513 is 31501152872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23460129889 + 4364980624 = 153167^2 + 66068^2 .

It is a cyclic number.

It is not a de Polignac number, because 27825110513 - 216 = 27825044977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27825110543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13912555256 + 13912555257.

It is an arithmetic number, because the mean of its divisors is an integer number (13912555257).

Almost surely, 227825110513 is an apocalyptic number.

It is an amenable number.

27825110513 is a deficient number, since it is larger than the sum of its proper divisors (1).

27825110513 is an equidigital number, since it uses as much as digits as its factorization.

27825110513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 35.

The spelling of 27825110513 in words is "twenty-seven billion, eight hundred twenty-five million, one hundred ten thousand, five hundred thirteen".