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15013555013 is a prime number
BaseRepresentation
bin11011111101110000…
…01010101101000101
31102202022122121200002
431332320022231011
5221221432230023
610521440331045
71041023053262
oct157670125505
942668577602
1015013555013
116404840106
122ab0013a85
1315535b3a82
14a25d52269
155cd0e0b28
hex37ee0ab45

15013555013 has 2 divisors, whose sum is σ = 15013555014. Its totient is φ = 15013555012.

The previous prime is 15013554971. The next prime is 15013555021. The reversal of 15013555013 is 31055531051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13193508769 + 1820046244 = 114863^2 + 42662^2 .

It is an emirp because it is prime and its reverse (31055531051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15013555013 - 212 = 15013550917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15013555813) 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 as a sum of consecutive naturals, namely, 7506777506 + 7506777507.

It is an arithmetic number, because the mean of its divisors is an integer number (7506777507).

Almost surely, 215013555013 is an apocalyptic number.

It is an amenable number.

15013555013 is a deficient number, since it is larger than the sum of its proper divisors (1).

15013555013 is an equidigital number, since it uses as much as digits as its factorization.

15013555013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5625, while the sum is 29.

The spelling of 15013555013 in words is "fifteen billion, thirteen million, five hundred fifty-five thousand, thirteen".