Base | Representation |
---|---|
bin | 10111010011110001… |
… | …01001100010010110 |
3 | 1012022010001202212021 |
4 | 23221320221202112 |
5 | 201112023013433 |
6 | 5425423443354 |
7 | 622051122562 |
oct | 135170514226 |
9 | 35263052767 |
10 | 12513876118 |
11 | 5341836387 |
12 | 2512a5655a |
13 | 1245767833 |
14 | 869d866a2 |
15 | 4d392a22d |
hex | 2e9e29896 |
12513876118 has 4 divisors (see below), whose sum is σ = 18770814180. Its totient is φ = 6256938058.
The previous prime is 12513876073. The next prime is 12513876139. The reversal of 12513876118 is 81167831521.
12513876118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81167831521 = 7 ⋅11595404503.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 3128469028 + ... + 3128469031.
It is an arithmetic number, because the mean of its divisors is an integer number (4692703545).
Almost surely, 212513876118 is an apocalyptic number.
12513876118 is a deficient number, since it is larger than the sum of its proper divisors (6256938062).
12513876118 is an equidigital number, since it uses as much as digits as its factorization.
12513876118 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6256938061.
The product of its digits is 80640, while the sum is 43.
The spelling of 12513876118 in words is "twelve billion, five hundred thirteen million, eight hundred seventy-six thousand, one hundred eighteen".
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