Base | Representation |
---|---|
bin | 10111000101000111… |
… | …01100001010000000 |
3 | 1011222112202001000022 |
4 | 23202203230022000 |
5 | 200334040110222 |
6 | 5405312513012 |
7 | 616026156221 |
oct | 134243541200 |
9 | 34875661008 |
10 | 12390941312 |
11 | 52893aa672 |
12 | 249984b768 |
13 | 1226153b49 |
14 | 857905248 |
15 | 4c7c45042 |
hex | 2e28ec280 |
12390941312 has 32 divisors (see below), whose sum is σ = 24691262400. Its totient is φ = 6193918720.
The previous prime is 12390941291. The next prime is 12390941369. The reversal of 12390941312 is 21314909321.
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
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 in 3 ways as a sum of consecutive naturals, for example, 635387 + ... + 654597.
It is an arithmetic number, because the mean of its divisors is an integer number (771601950).
Almost surely, 212390941312 is an apocalyptic number.
It is an amenable number.
12390941312 is a deficient number, since it is larger than the sum of its proper divisors (12300321088).
12390941312 is an equidigital number, since it uses as much as digits as its factorization.
12390941312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24264 (or 24252 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 35.
The spelling of 12390941312 in words is "twelve billion, three hundred ninety million, nine hundred forty-one thousand, three hundred twelve".
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