Base | Representation |
---|---|
bin | 11000010110010001… |
… | …11010101101000000 |
3 | 1020201222212200021022 |
4 | 30023020322231000 |
5 | 203232334220424 |
6 | 10001033445012 |
7 | 641634241421 |
oct | 141310725500 |
9 | 36658780238 |
10 | 13071788864 |
11 | 55a87584a2 |
12 | 2649870768 |
13 | 1304218814 |
14 | 8c00d5648 |
15 | 5178d295e |
hex | 30b23ab40 |
13071788864 has 14 divisors (see below), whose sum is σ = 25939331154. Its totient is φ = 6535894400.
The previous prime is 13071788843. The next prime is 13071788911. The reversal of 13071788864 is 46888717031.
It can be written as a sum of positive squares in only one way, i.e., 12452774464 + 619014400 = 111592^2 + 24880^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102123287 + ... + 102123414.
Almost surely, 213071788864 is an apocalyptic number.
It is an amenable number.
13071788864 is a deficient number, since it is larger than the sum of its proper divisors (12867542290).
13071788864 is an equidigital number, since it uses as much as digits as its factorization.
13071788864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204246713 (or 204246703 counting only the distinct ones).
The product of its (nonzero) digits is 1806336, while the sum is 53.
The spelling of 13071788864 in words is "thirteen billion, seventy-one million, seven hundred eighty-eight thousand, eight hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •