Base | Representation |
---|---|
bin | 11000111100001010… |
… | …00011100100001010 |
3 | 1021120010210021221120 |
4 | 30132011003210022 |
5 | 204410210344230 |
6 | 10052344220110 |
7 | 652543146345 |
oct | 143605034412 |
9 | 37503707846 |
10 | 13389543690 |
11 | 5751059396 |
12 | 271816a636 |
13 | 1354cc1b23 |
14 | 9103ab45c |
15 | 53574c310 |
hex | 31e14390a |
13389543690 has 32 divisors (see below), whose sum is σ = 32206507200. Its totient is φ = 3562589184.
The previous prime is 13389543677. The next prime is 13389543709. The reversal of 13389543690 is 9634598331.
It is a happy number.
It is a super-2 number, since 2×133895436902 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483544 + ... + 510483.
It is an arithmetic number, because the mean of its divisors is an integer number (1006453350).
Almost surely, 213389543690 is an apocalyptic number.
13389543690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13389543690 is an abundant number, since it is smaller than the sum of its proper divisors (18816963510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13389543690 is a wasteful number, since it uses less digits than its factorization.
13389543690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 994486.
The product of its (nonzero) digits is 2099520, while the sum is 51.
The spelling of 13389543690 in words is "thirteen billion, three hundred eighty-nine million, five hundred forty-three thousand, six hundred ninety".
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