Base | Representation |
---|---|
bin | 11000111011011001… |
… | …01100001110001010 |
3 | 1021112200202210112100 |
4 | 30131230230032022 |
5 | 204402042002433 |
6 | 10051555254230 |
7 | 652434645216 |
oct | 143554541612 |
9 | 37480683470 |
10 | 13383156618 |
11 | 5748496717 |
12 | 2715baa376 |
13 | 13538968b0 |
14 | 90d5c7946 |
15 | 534dd9b13 |
hex | 31db2c38a |
13383156618 has 24 divisors (see below), whose sum is σ = 31227365988. Its totient is φ = 4117894272.
The previous prime is 13383156593. The next prime is 13383156623. The reversal of 13383156618 is 81665138331.
13383156618 is a `hidden beast` number, since 1 + 3 + 3 + 83 + 1 + 566 + 1 + 8 = 666.
13383156618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 13339557009 + 43599609 = 115497^2 + 6603^2 .
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 in 11 ways as a sum of consecutive naturals, for example, 28596255 + ... + 28596722.
Almost surely, 213383156618 is an apocalyptic number.
13383156618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
13383156618 is an abundant number, since it is smaller than the sum of its proper divisors (17844209370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13383156618 is a wasteful number, since it uses less digits than its factorization.
13383156618 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57192998 (or 57192995 counting only the distinct ones).
The product of its digits is 311040, while the sum is 45.
The spelling of 13383156618 in words is "thirteen billion, three hundred eighty-three million, one hundred fifty-six thousand, six hundred eighteen".
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