Base | Representation |
---|---|
bin | 10111101000010011… |
… | …01011000010101001 |
3 | 1012202010011012112212 |
4 | 23310021223002221 |
5 | 201440121022024 |
6 | 5454455214505 |
7 | 626242110014 |
oct | 136411530251 |
9 | 35663135485 |
10 | 12686110889 |
11 | 541aa84971 |
12 | 2560677435 |
13 | 12723500ba |
14 | 884bbc37b |
15 | 4e3aeca0e |
hex | 2f426b0a9 |
12686110889 has 8 divisors (see below), whose sum is σ = 13472939808. Its totient is φ = 11903791680.
The previous prime is 12686110867. The next prime is 12686110903. The reversal of 12686110889 is 98801168621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12686110889 - 212 = 12686106793 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12686110849) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121627 + ... + 1132880.
It is an arithmetic number, because the mean of its divisors is an integer number (1684117476).
Almost surely, 212686110889 is an apocalyptic number.
It is an amenable number.
12686110889 is a deficient number, since it is larger than the sum of its proper divisors (786828919).
12686110889 is a wasteful number, since it uses less digits than its factorization.
12686110889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2254855.
The product of its (nonzero) digits is 331776, while the sum is 50.
The spelling of 12686110889 in words is "twelve billion, six hundred eighty-six million, one hundred ten thousand, eight hundred eighty-nine".
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