Base | Representation |
---|---|
bin | 110001010001… |
… | …000110011011 |
3 | 220022011012000 |
4 | 301101012123 |
5 | 11301240344 |
6 | 1140452043 |
7 | 214530231 |
oct | 61210633 |
9 | 26264160 |
10 | 12915099 |
11 | 732133a |
12 | 43aa023 |
13 | 28a2692 |
14 | 1a02951 |
15 | 1201a69 |
hex | c5119b |
12915099 has 16 divisors (see below), whose sum is σ = 19232640. Its totient is φ = 8565480.
The previous prime is 12915073. The next prime is 12915101. The reversal of 12915099 is 99051921.
It is a de Polignac number, because none of the positive numbers 2k-12915099 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12915059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4564 + ... + 6830.
It is an arithmetic number, because the mean of its divisors is an integer number (1202040).
Almost surely, 212915099 is an apocalyptic number.
12915099 is a deficient number, since it is larger than the sum of its proper divisors (6317541).
12915099 is a wasteful number, since it uses less digits than its factorization.
12915099 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2487 (or 2481 counting only the distinct ones).
The product of its (nonzero) digits is 7290, while the sum is 36.
The square root of 12915099 is about 3593.7583391208. The cubic root of 12915099 is about 234.6204768856.
The spelling of 12915099 in words is "twelve million, nine hundred fifteen thousand, ninety-nine".
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