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15016000009 is a prime number
BaseRepresentation
bin11011111110000010…
…11111101000001001
31102202111020211120111
431333001133220021
5221223044000014
610522004554321
71041052615453
oct157701375011
942674224514
1015016000009
11640616006a
122ab09b29a1
131553c5b90a
14a263cb2d3
155cd4252c4
hex37f05fa09

15016000009 has 2 divisors, whose sum is σ = 15016000010. Its totient is φ = 15016000008.

The previous prime is 15015999979. The next prime is 15016000031. The reversal of 15016000009 is 90000061051.

It is an a-pointer prime, because the next prime (15016000031) can be obtained adding 15016000009 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11698585600 + 3317414409 = 108160^2 + 57597^2 .

It is an emirp because it is prime and its reverse (90000061051) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15016000009 is a prime.

It is not a weakly prime, because it can be changed into another prime (15016000049) 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, 7508000004 + 7508000005.

It is an arithmetic number, because the mean of its divisors is an integer number (7508000005).

Almost surely, 215016000009 is an apocalyptic number.

It is an amenable number.

15016000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

15016000009 is an equidigital number, since it uses as much as digits as its factorization.

15016000009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The spelling of 15016000009 in words is "fifteen billion, sixteen million, nine", and thus it is an aban number and an uban number.