Base | Representation |
---|---|
bin | 11000101111101101… |
… | …10110101010100110 |
3 | 1021021212100221001221 |
4 | 30113312312222212 |
5 | 204202000020132 |
6 | 10034135010554 |
7 | 650134655506 |
oct | 142766665246 |
9 | 37255327057 |
10 | 13285157542 |
11 | 56a8141548 |
12 | 26a9209a5a |
13 | 13394a3a87 |
14 | 900597a06 |
15 | 52b4cce97 |
hex | 317db6aa6 |
13285157542 has 16 divisors (see below), whose sum is σ = 21105264960. Its totient is φ = 6254359272.
The previous prime is 13285157533. The next prime is 13285157563. The reversal of 13285157542 is 24575158231.
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, 1066228 + ... + 1078615.
It is an arithmetic number, because the mean of its divisors is an integer number (1319079060).
Almost surely, 213285157542 is an apocalyptic number.
13285157542 is a deficient number, since it is larger than the sum of its proper divisors (7820107418).
13285157542 is a wasteful number, since it uses less digits than its factorization.
13285157542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2145027.
The product of its digits is 336000, while the sum is 43.
The spelling of 13285157542 in words is "thirteen billion, two hundred eighty-five million, one hundred fifty-seven thousand, five hundred forty-two".
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