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27297130325 = 521139662701
BaseRepresentation
bin11001011011000010…
…010010011101010101
32121110101100220012212
4121123002102131111
5421401031132300
620312400123205
71654306531223
oct313302223525
977411326185
1027297130325
1110638578043
125359906505
13276041542a
14146d4a9b13
15a9b6c8935
hex65b092755

27297130325 has 12 divisors (see below), whose sum is σ = 34147988868. Its totient is φ = 21644448000.

The previous prime is 27297130309. The next prime is 27297130331. The reversal of 27297130325 is 52303179272.

It can be written as a sum of positive squares in 6 ways, for example, as 14393760676 + 12903369649 = 119974^2 + 113593^2 .

It is not a de Polignac number, because 27297130325 - 24 = 27297130309 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 4828526 + ... + 4834175.

It is an arithmetic number, because the mean of its divisors is an integer number (2845665739).

Almost surely, 227297130325 is an apocalyptic number.

27297130325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27297130325 is a deficient number, since it is larger than the sum of its proper divisors (6850858543).

27297130325 is a wasteful number, since it uses less digits than its factorization.

27297130325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9662824 (or 9662819 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 27297130325 in words is "twenty-seven billion, two hundred ninety-seven million, one hundred thirty thousand, three hundred twenty-five".

Divisors: 1 5 25 113 565 2825 9662701 48313505 241567525 1091885213 5459426065 27297130325