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15031245013 is a prime number
BaseRepresentation
bin11011111111110111…
…01001100011010101
31102210112221100210021
431333323221203111
5221240444320023
610523311425141
71041326321521
oct157773514325
942715840707
1015031245013
116413822944
122ab5b251b1
131557168925
14a28438d81
155ce93735d
hex37fee98d5

15031245013 has 2 divisors, whose sum is σ = 15031245014. Its totient is φ = 15031245012.

The previous prime is 15031244999. The next prime is 15031245043. The reversal of 15031245013 is 31054213051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14398320049 + 632924964 = 119993^2 + 25158^2 .

It is a cyclic number.

It is not a de Polignac number, because 15031245013 - 229 = 14494374101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15031245043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7515622506 + 7515622507.

It is an arithmetic number, because the mean of its divisors is an integer number (7515622507).

Almost surely, 215031245013 is an apocalyptic number.

It is an amenable number.

15031245013 is a deficient number, since it is larger than the sum of its proper divisors (1).

15031245013 is an equidigital number, since it uses as much as digits as its factorization.

15031245013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 15031245013 its reverse (31054213051), we get a palindrome (46085458064).

The spelling of 15031245013 in words is "fifteen billion, thirty-one million, two hundred forty-five thousand, thirteen".