Base | Representation |
---|---|
bin | 11011111100010000… |
… | …10010010000000001 |
3 | 1102201110000220120001 |
4 | 31332020102100001 |
5 | 221210224044014 |
6 | 10520311320001 |
7 | 1040511264436 |
oct | 157610222001 |
9 | 42643026501 |
10 | 15001003009 |
11 | 63a8747653 |
12 | 2aa7980001 |
13 | 1550b0a755 |
14 | a24405b8d |
15 | 5cbe61974 |
hex | 37e212401 |
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".
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