Base | Representation |
---|---|
bin | 11001111101101111… |
… | …10001001111010000 |
3 | 1022222111000120201002 |
4 | 30332313301033100 |
5 | 212022031141010 |
6 | 10223120201132 |
7 | 1002303366446 |
oct | 147667611720 |
9 | 38874016632 |
10 | 13939708880 |
11 | 5a03669669 |
12 | 28504691a8 |
13 | 1411c8c566 |
14 | 9634a0b96 |
15 | 568bc41a5 |
hex | 33edf13d0 |
13939708880 has 40 divisors (see below), whose sum is σ = 32431114752. Its totient is φ = 5572220544.
The previous prime is 13939708847. The next prime is 13939708901. The reversal of 13939708880 is 8880793931.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66977 + ... + 179903.
Almost surely, 213939708880 is an apocalyptic number.
13939708880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13939708880 is an abundant number, since it is smaller than the sum of its proper divisors (18491405872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13939708880 is a wasteful number, since it uses less digits than its factorization.
13939708880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114483 (or 114477 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 56.
The spelling of 13939708880 in words is "thirteen billion, nine hundred thirty-nine million, seven hundred eight thousand, eight hundred eighty".
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