Base | Representation |
---|---|
bin | 11000000011010011… |
… | …11010011010001110 |
3 | 1020022220110102002022 |
4 | 30001221322122032 |
5 | 202421120310004 |
6 | 5533151130142 |
7 | 634662565205 |
oct | 140151723216 |
9 | 36286412068 |
10 | 12912666254 |
11 | 5526955304 |
12 | 2604513952 |
13 | 12aa274527 |
14 | 8a6d1423c |
15 | 5089502be |
hex | 301a7a68e |
12912666254 has 8 divisors (see below), whose sum is σ = 19658089128. Its totient is φ = 6359969880.
The previous prime is 12912666241. The next prime is 12912666257. The reversal of 12912666254 is 45266621921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12912666257) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48181457 + ... + 48181724.
It is an arithmetic number, because the mean of its divisors is an integer number (2457261141).
Almost surely, 212912666254 is an apocalyptic number.
12912666254 is a deficient number, since it is larger than the sum of its proper divisors (6745422874).
12912666254 is an equidigital number, since it uses as much as digits as its factorization.
12912666254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96363250.
The product of its digits is 311040, while the sum is 44.
The spelling of 12912666254 in words is "twelve billion, nine hundred twelve million, six hundred sixty-six thousand, two hundred fifty-four".
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