Base | Representation |
---|---|
bin | 10110111011011110… |
… | …11001001000000100 |
3 | 1011202220200001010221 |
4 | 23131233121020010 |
5 | 200202342414022 |
6 | 5353304354124 |
7 | 614025214315 |
oct | 133557311004 |
9 | 34686601127 |
10 | 12310123012 |
11 | 524781a690 |
12 | 2476775944 |
13 | 1212498175 |
14 | 84aca860c |
15 | 4c0acdcc7 |
hex | 2ddbd9204 |
12310123012 has 12 divisors (see below), whose sum is σ = 23501144016. Its totient is φ = 5595510440.
The previous prime is 12310123003. The next prime is 12310123013. The reversal of 12310123012 is 21032101321.
12310123012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (12310123013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139887718 + ... + 139887805.
It is an arithmetic number, because the mean of its divisors is an integer number (1958428668).
Almost surely, 212310123012 is an apocalyptic number.
It is an amenable number.
12310123012 is a deficient number, since it is larger than the sum of its proper divisors (11191021004).
12310123012 is a wasteful number, since it uses less digits than its factorization.
12310123012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 279775538 (or 279775536 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12310123012 its reverse (21032101321), we get a palindrome (33342224333).
The spelling of 12310123012 in words is "twelve billion, three hundred ten million, one hundred twenty-three thousand, twelve".
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