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12527650013 = 17736920589
BaseRepresentation
bin10111010101011010…
…01100010011011101
31012100001222120002112
423222231030103131
5201124034300023
65431035003405
7622306160654
oct135255142335
935301876075
1012527650013
11534959396a
122517599565
13124857b078
1486bb3019b
154d4c4b478
hex2eab4c4dd

12527650013 has 4 divisors (see below), whose sum is σ = 13264570620. Its totient is φ = 11790729408.

The previous prime is 12527649997. The next prime is 12527650049. The reversal of 12527650013 is 31005672521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31005672521 = 38239810839.

It can be written as a sum of positive squares in 2 ways, for example, as 10005400729 + 2522249284 = 100027^2 + 50222^2 .

It is a cyclic number.

It is not a de Polignac number, because 12527650013 - 24 = 12527649997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12527650313) 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 in 3 ways as a sum of consecutive naturals, for example, 368460278 + ... + 368460311.

It is an arithmetic number, because the mean of its divisors is an integer number (3316142655).

Almost surely, 212527650013 is an apocalyptic number.

It is an amenable number.

12527650013 is a deficient number, since it is larger than the sum of its proper divisors (736920607).

12527650013 is an equidigital number, since it uses as much as digits as its factorization.

12527650013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736920606.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 12527650013 in words is "twelve billion, five hundred twenty-seven million, six hundred fifty thousand, thirteen".

Divisors: 1 17 736920589 12527650013