Base | Representation |
---|---|
bin | 11000100100110101… |
… | …01010011100100110 |
3 | 1021001111121121201102 |
4 | 30102122222130212 |
5 | 204010113201012 |
6 | 10021114400102 |
7 | 644646066323 |
oct | 142232523446 |
9 | 37044547642 |
10 | 13193881382 |
11 | 5660669400 |
12 | 2682730032 |
13 | 13235c6006 |
14 | 8d23d7b4a |
15 | 52349d2c2 |
hex | 3126aa726 |
13193881382 has 12 divisors (see below), whose sum is σ = 21753548628. Its totient is φ = 5997218700.
The previous prime is 13193881369. The next prime is 13193881397. The reversal of 13193881382 is 28318839131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27259844 + ... + 27260327.
It is an arithmetic number, because the mean of its divisors is an integer number (1812795719).
Almost surely, 213193881382 is an apocalyptic number.
13193881382 is a deficient number, since it is larger than the sum of its proper divisors (8559667246).
13193881382 is a wasteful number, since it uses less digits than its factorization.
13193881382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54520195 (or 54520184 counting only the distinct ones).
The product of its digits is 248832, while the sum is 47.
The spelling of 13193881382 in words is "thirteen billion, one hundred ninety-three million, eight hundred eighty-one thousand, three hundred eighty-two".
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