Base | Representation |
---|---|
bin | 11000111011001110… |
… | …10100011110001010 |
3 | 1021112121010021010012 |
4 | 30131213110132022 |
5 | 204401211423433 |
6 | 10051505151522 |
7 | 652416662240 |
oct | 143547243612 |
9 | 37477107105 |
10 | 13381748618 |
11 | 5747714887 |
12 | 271562b5a2 |
13 | 13534c2a64 |
14 | 90d33c790 |
15 | 534c0c848 |
hex | 31d9d478a |
13381748618 has 8 divisors (see below), whose sum is σ = 22940140512. Its totient is φ = 5735035116.
The previous prime is 13381748593. The next prime is 13381748629. The reversal of 13381748618 is 81684718331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477919580 + ... + 477919607.
It is an arithmetic number, because the mean of its divisors is an integer number (2867517564).
Almost surely, 213381748618 is an apocalyptic number.
13381748618 is a deficient number, since it is larger than the sum of its proper divisors (9558391894).
13381748618 is an equidigital number, since it uses as much as digits as its factorization.
13381748618 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 955839196.
The product of its digits is 774144, while the sum is 50.
The spelling of 13381748618 in words is "thirteen billion, three hundred eighty-one million, seven hundred forty-eight thousand, six hundred eighteen".
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