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15001003009 is a prime number
BaseRepresentation
bin11011111100010000…
…10010010000000001
31102201110000220120001
431332020102100001
5221210224044014
610520311320001
71040511264436
oct157610222001
942643026501
1015001003009
1163a8747653
122aa7980001
131550b0a755
14a24405b8d
155cbe61974
hex37e212401

15001003009 has 2 divisors, whose sum is σ = 15001003010. Its totient is φ = 15001003008.

The previous prime is 15001002979. The next prime is 15001003033. The reversal of 15001003009 is 90030010051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12820579984 + 2180423025 = 113228^2 + 46695^2 .

It is an emirp because it is prime and its reverse (90030010051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15001003009 - 25 = 15001002977 is a prime.

It is not a weakly prime, because it can be changed into another prime (15001003079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500501504 + 7500501505.

It is an arithmetic number, because the mean of its divisors is an integer number (7500501505).

Almost surely, 215001003009 is an apocalyptic number.

It is an amenable number.

15001003009 is a deficient number, since it is larger than the sum of its proper divisors (1).

15001003009 is an equidigital number, since it uses as much as digits as its factorization.

15001003009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 19.

The spelling of 15001003009 in words is "fifteen billion, one million, three thousand, nine".