Base | Representation |
---|---|
bin | 11000000101011011… |
… | …11111101001100101 |
3 | 1020101011001010220202 |
4 | 30002231333221211 |
5 | 202440202413014 |
6 | 5535025440245 |
7 | 635300360054 |
oct | 140255775145 |
9 | 36334033822 |
10 | 12930513509 |
11 | 5535a35201 |
12 | 260a4a0085 |
13 | 12b0b82b34 |
14 | 8a943c39b |
15 | 50a2c83de |
hex | 302b7fa65 |
12930513509 has 24 divisors (see below), whose sum is σ = 13727232000. Its totient is φ = 12174533280.
The previous prime is 12930513467. The next prime is 12930513527. The reversal of 12930513509 is 90531503921.
It is a happy number.
It is not a de Polignac number, because 12930513509 - 216 = 12930447973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12930513529) 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 in 23 ways as a sum of consecutive naturals, for example, 6467492 + ... + 6469490.
It is an arithmetic number, because the mean of its divisors is an integer number (571968000).
Almost surely, 212930513509 is an apocalyptic number.
It is an amenable number.
12930513509 is a deficient number, since it is larger than the sum of its proper divisors (796718491).
12930513509 is a wasteful number, since it uses less digits than its factorization.
12930513509 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2241 (or 2210 counting only the distinct ones).
The product of its (nonzero) digits is 36450, while the sum is 38.
The spelling of 12930513509 in words is "twelve billion, nine hundred thirty million, five hundred thirteen thousand, five hundred nine".
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