Base | Representation |
---|---|
bin | 10110111011000110… |
… | …00100010011100101 |
3 | 1011202200120220001000 |
4 | 23131203010103211 |
5 | 200201031021010 |
6 | 5353111223513 |
7 | 613655566422 |
oct | 133543042345 |
9 | 34680526030 |
10 | 12306892005 |
11 | 5245a13131 |
12 | 2475677b99 |
13 | 1211906625 |
14 | 84a6a6d49 |
15 | 4c06917c0 |
hex | 2dd8c44e5 |
12306892005 has 16 divisors (see below), whose sum is σ = 21878919360. Its totient is φ = 6563675664.
The previous prime is 12306891973. The next prime is 12306892009. The reversal of 12306892005 is 50029860321.
12306892005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12306892005 - 25 = 12306891973 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12306892009) 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 15 ways as a sum of consecutive naturals, for example, 45580947 + ... + 45581216.
It is an arithmetic number, because the mean of its divisors is an integer number (1367432460).
Almost surely, 212306892005 is an apocalyptic number.
12306892005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12306892005 is a deficient number, since it is larger than the sum of its proper divisors (9572027355).
12306892005 is an equidigital number, since it uses as much as digits as its factorization.
12306892005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91162177 (or 91162171 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The spelling of 12306892005 in words is "twelve billion, three hundred six million, eight hundred ninety-two thousand, five".
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