Base | Representation |
---|---|
bin | 110001011001… |
… | …100111111001 |
3 | 220100221001222 |
4 | 301121213321 |
5 | 11303400014 |
6 | 1141321425 |
7 | 215034062 |
oct | 61314771 |
9 | 26327058 |
10 | 12950009 |
11 | 7345596 |
12 | 4406275 |
13 | 28b5537 |
14 | 1a11569 |
15 | 120c08e |
hex | c599f9 |
12950009 has 8 divisors (see below), whose sum is σ = 13300320. Its totient is φ = 12602016.
The previous prime is 12949997. The next prime is 12950017. The reversal of 12950009 is 90005921.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12950009 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12950009.
It is not an unprimeable number, because it can be changed into a prime (12950029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19322 + ... + 19980.
It is an arithmetic number, because the mean of its divisors is an integer number (1662540).
Almost surely, 212950009 is an apocalyptic number.
It is an amenable number.
12950009 is a deficient number, since it is larger than the sum of its proper divisors (350311).
12950009 is an equidigital number, since it uses as much as digits as its factorization.
12950009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1159.
The product of its (nonzero) digits is 810, while the sum is 26.
The square root of 12950009 is about 3598.6120935716. The cubic root of 12950009 is about 234.8316827018.
The spelling of 12950009 in words is "twelve million, nine hundred fifty thousand, nine".
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