Base | Representation |
---|---|
bin | 11000111101000000… |
… | …01110100111101100 |
3 | 1021120122012012002200 |
4 | 30132200032213230 |
5 | 204414021314420 |
6 | 10053201021500 |
7 | 652660534533 |
oct | 143640164754 |
9 | 37518165080 |
10 | 13396666860 |
11 | 5755084105 |
12 | 271a624890 |
13 | 1356617115 |
14 | 91130331a |
15 | 5361a7b90 |
hex | 31e80e9ec |
13396666860 has 36 divisors (see below), whose sum is σ = 40636556688. Its totient is φ = 3572444448.
The previous prime is 13396666837. The next prime is 13396666861. The reversal of 13396666860 is 6866669331.
13396666860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 13396666797 and 13396666806.
It is not an unprimeable number, because it can be changed into a prime (13396666861) 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 11 ways as a sum of consecutive naturals, for example, 37212784 + ... + 37213143.
Almost surely, 213396666860 is an apocalyptic number.
13396666860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13396666860 is an abundant number, since it is smaller than the sum of its proper divisors (27239889828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13396666860 is a wasteful number, since it uses less digits than its factorization.
13396666860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74425942 (or 74425937 counting only the distinct ones).
The product of its (nonzero) digits is 5038848, while the sum is 54.
The spelling of 13396666860 in words is "thirteen billion, three hundred ninety-six million, six hundred sixty-six thousand, eight hundred sixty".
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