Base | Representation |
---|---|
bin | 10110010111000001… |
… | …11100010101111101 |
3 | 1010222121021220212021 |
4 | 23023200330111331 |
5 | 144041103021323 |
6 | 5303102440141 |
7 | 603323152000 |
oct | 131340742575 |
9 | 33877256767 |
10 | 12004345213 |
11 | 510015a263 |
12 | 23b0293051 |
13 | 1194026563 |
14 | 81c42d537 |
15 | 4a3d2d05d |
hex | 2cb83c57d |
12004345213 has 32 divisors (see below), whose sum is σ = 14161593600. Its totient is φ = 10170800640.
The previous prime is 12004345207. The next prime is 12004345253. The reversal of 12004345213 is 31254340021.
It is a de Polignac number, because none of the positive numbers 2k-12004345213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12004345253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19455681 + ... + 19456297.
It is an arithmetic number, because the mean of its divisors is an integer number (442549800).
Almost surely, 212004345213 is an apocalyptic number.
It is an amenable number.
12004345213 is a deficient number, since it is larger than the sum of its proper divisors (2157248387).
12004345213 is an equidigital number, since it uses as much as digits as its factorization.
12004345213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1202 (or 1188 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 12004345213 its reverse (31254340021), we get a palindrome (43258685234).
The spelling of 12004345213 in words is "twelve billion, four million, three hundred forty-five thousand, two hundred thirteen".
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