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15247072513 is a prime number
BaseRepresentation
bin11100011001100101…
…11101110100000001
31110100121001112110101
432030302331310001
5222211222310023
611000541402401
71046556656311
oct161462756401
943317045411
1015247072513
116514636282
122b56269401
13158caa50ca
14a48d7b441
155e386b1ad
hex38ccbdd01

15247072513 has 2 divisors, whose sum is σ = 15247072514. Its totient is φ = 15247072512.

The previous prime is 15247072499. The next prime is 15247072541. The reversal of 15247072513 is 31527074251.

15247072513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12774198529 + 2472873984 = 113023^2 + 49728^2 .

It is a cyclic number.

It is not a de Polignac number, because 15247072513 - 229 = 14710201601 is a prime.

It is not a weakly prime, because it can be changed into another prime (15247072543) 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, 7623536256 + 7623536257.

It is an arithmetic number, because the mean of its divisors is an integer number (7623536257).

Almost surely, 215247072513 is an apocalyptic number.

It is an amenable number.

15247072513 is a deficient number, since it is larger than the sum of its proper divisors (1).

15247072513 is an equidigital number, since it uses as much as digits as its factorization.

15247072513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 15247072513 in words is "fifteen billion, two hundred forty-seven million, seventy-two thousand, five hundred thirteen".