Base | Representation |
---|---|
bin | 10111101000011001… |
… | …00100011110001101 |
3 | 1012202011120210102101 |
4 | 23310030210132031 |
5 | 201440314323123 |
6 | 5454523355101 |
7 | 626251422250 |
oct | 136414443615 |
9 | 35664523371 |
10 | 12686870413 |
11 | 5420453578 |
12 | 2560982a91 |
13 | 1272557a19 |
14 | 884d39097 |
15 | 4e3becaad |
hex | 2f432478d |
12686870413 has 16 divisors (see below), whose sum is σ = 14590033920. Its totient is φ = 10806600816.
The previous prime is 12686870401. The next prime is 12686870431. The reversal of 12686870413 is 31407868621.
It is a happy number.
12686870413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12686870413 - 29 = 12686869901 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12686870453) 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, 763156 + ... + 779602.
It is an arithmetic number, because the mean of its divisors is an integer number (911877120).
Almost surely, 212686870413 is an apocalyptic number.
It is an amenable number.
12686870413 is a deficient number, since it is larger than the sum of its proper divisors (1903163507).
12686870413 is a wasteful number, since it uses less digits than its factorization.
12686870413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17136.
The product of its (nonzero) digits is 387072, while the sum is 46.
The spelling of 12686870413 in words is "twelve billion, six hundred eighty-six million, eight hundred seventy thousand, four hundred thirteen".
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