Base | Representation |
---|---|
bin | 10110111011001000… |
… | …10110010011001111 |
3 | 1011202201012221201220 |
4 | 23131210112103033 |
5 | 200201122242410 |
6 | 5353122334423 |
7 | 613661465526 |
oct | 133544262317 |
9 | 34681187656 |
10 | 12307227855 |
11 | 524612249a |
12 | 24757ba413 |
13 | 12119c3460 |
14 | 84a7534bd |
15 | 4c070b070 |
hex | 2dd9164cf |
12307227855 has 32 divisors (see below), whose sum is σ = 21244156416. Its totient is φ = 6048127104.
The previous prime is 12307227839. The next prime is 12307227857. The reversal of 12307227855 is 55872270321.
It is not a de Polignac number, because 12307227855 - 24 = 12307227839 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12307227857) 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, 53734 + ... + 165836.
It is an arithmetic number, because the mean of its divisors is an integer number (663879888).
Almost surely, 212307227855 is an apocalyptic number.
12307227855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12307227855 is a deficient number, since it is larger than the sum of its proper divisors (8936928561).
12307227855 is a wasteful number, since it uses less digits than its factorization.
12307227855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112687.
The product of its (nonzero) digits is 235200, while the sum is 42.
The spelling of 12307227855 in words is "twelve billion, three hundred seven million, two hundred twenty-seven thousand, eight hundred fifty-five".
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