Base | Representation |
---|---|
bin | 11000111111111100… |
… | …10110010011110000 |
3 | 1021122100121201010112 |
4 | 30133332112103300 |
5 | 204441330334023 |
6 | 10055441520452 |
7 | 653410335545 |
oct | 143776262360 |
9 | 37570551115 |
10 | 13421339888 |
11 | 5767aa6340 |
12 | 2726943128 |
13 | 135b775548 |
14 | 9146c6bcc |
15 | 53842d478 |
hex | 31ff964f0 |
13421339888 has 40 divisors (see below), whose sum is σ = 29282935296. Its totient is φ = 5903812800.
The previous prime is 13421339879. The next prime is 13421339917. The reversal of 13421339888 is 88893312431.
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, 1224506 + ... + 1235417.
Almost surely, 213421339888 is an apocalyptic number.
It is an amenable number.
13421339888 is an abundant number, since it is smaller than the sum of its proper divisors (15861595408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13421339888 is a wasteful number, since it uses less digits than its factorization.
13421339888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2459973 (or 2459967 counting only the distinct ones).
The product of its digits is 995328, while the sum is 50.
The spelling of 13421339888 in words is "thirteen billion, four hundred twenty-one million, three hundred thirty-nine thousand, eight hundred eighty-eight".
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