Base | Representation |
---|---|
bin | 11000111011010001… |
… | …10011111011100010 |
3 | 1021112121212010110200 |
4 | 30131220303323202 |
5 | 204401311431433 |
6 | 10051521410030 |
7 | 652423211211 |
oct | 143550637342 |
9 | 37477763420 |
10 | 13382139618 |
11 | 5747961621 |
12 | 2715799916 |
13 | 13535cba13 |
14 | 90d401078 |
15 | 534c88613 |
hex | 31da33ee2 |
13382139618 has 24 divisors (see below), whose sum is σ = 29469960156. Its totient is φ = 4387586400.
The previous prime is 13382139599. The next prime is 13382139629. The reversal of 13382139618 is 81693128331.
13382139618 is a `hidden beast` number, since 1 + 3 + 3 + 8 + 21 + 3 + 9 + 618 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 12315006729 + 1067132889 = 110973^2 + 32667^2 .
It is a Curzon number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 6092773 + ... + 6094968.
Almost surely, 213382139618 is an apocalyptic number.
13382139618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
13382139618 is an abundant number, since it is smaller than the sum of its proper divisors (16087820538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13382139618 is a wasteful number, since it uses less digits than its factorization.
13382139618 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12187810 (or 12187807 counting only the distinct ones).
The product of its digits is 186624, while the sum is 45.
The spelling of 13382139618 in words is "thirteen billion, three hundred eighty-two million, one hundred thirty-nine thousand, six hundred eighteen".
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