Base | Representation |
---|---|
bin | 10110010111110011… |
… | …00101100000111011 |
3 | 1011000001110010110000 |
4 | 23023321211200323 |
5 | 144044231232212 |
6 | 5303453124043 |
7 | 603432106044 |
oct | 131371454073 |
9 | 34001403400 |
10 | 12010805307 |
11 | 5103871886 |
12 | 23b2489623 |
13 | 1195478ab7 |
14 | 81d2318cb |
15 | 4a46a71dc |
hex | 2cbe6583b |
12010805307 has 40 divisors (see below), whose sum is σ = 18135909792. Its totient is φ = 7921152000.
The previous prime is 12010805299. The next prime is 12010805377. The reversal of 12010805307 is 70350801021.
12010805307 is a `hidden beast` number, since 1 + 20 + 108 + 0 + 530 + 7 = 666.
It is not a de Polignac number, because 12010805307 - 23 = 12010805299 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (12010805377) 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 39 ways as a sum of consecutive naturals, for example, 3141457 + ... + 3145277.
Almost surely, 212010805307 is an apocalyptic number.
12010805307 is a deficient number, since it is larger than the sum of its proper divisors (6125104485).
12010805307 is a wasteful number, since it uses less digits than its factorization.
12010805307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4241 (or 4232 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The spelling of 12010805307 in words is "twelve billion, ten million, eight hundred five thousand, three hundred seven".
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