Base | Representation |
---|---|
bin | 10110010110100000… |
… | …11010011011101101 |
3 | 1010222022010202211101 |
4 | 23023100122123231 |
5 | 144034000341023 |
6 | 5302425523101 |
7 | 603241263523 |
oct | 131320323355 |
9 | 33868122741 |
10 | 12000012013 |
11 | 50a876a700 |
12 | 23aa943491 |
13 | 119316a132 |
14 | 81ba22313 |
15 | 4a37741ad |
hex | 2cb41a6ed |
12000012013 has 48 divisors (see below), whose sum is σ = 13964565888. Its totient is φ = 10291881600.
The previous prime is 12000011861. The next prime is 12000012023. The reversal of 12000012013 is 31021000021.
It is not a de Polignac number, because 12000012013 - 221 = 11997914861 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12000012023) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24439698 + ... + 24440188.
It is an arithmetic number, because the mean of its divisors is an integer number (290928456).
Almost surely, 212000012013 is an apocalyptic number.
It is an amenable number.
12000012013 is a deficient number, since it is larger than the sum of its proper divisors (1964553875).
12000012013 is a wasteful number, since it uses less digits than its factorization.
12000012013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 706 (or 695 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 12000012013 its reverse (31021000021), we get a palindrome (43021012034).
The spelling of 12000012013 in words is "twelve billion, twelve thousand, thirteen".
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