Base | Representation |
---|---|
bin | 1101110101100000111010… |
… | …1010011010000100011101 |
3 | 1222212100110112100201220200 |
4 | 3131120032222122010131 |
5 | 3443222231130112120 |
6 | 52204433122534113 |
7 | 3130050551525433 |
oct | 335301652320435 |
9 | 58770415321820 |
10 | 15213020160285 |
11 | 4935895306922 |
12 | 1858475807339 |
13 | 864773b4b9bc |
14 | 3a8457c8cd53 |
15 | 1b5ad3bbde90 |
hex | dd60ea9a11d |
15213020160285 has 24 divisors (see below), whose sum is σ = 26369429259264. Its totient is φ = 8113550963040.
The previous prime is 15213020160281. The next prime is 15213020160347. The reversal of 15213020160285 is 58206102031251.
15213020160285 is a `hidden beast` number, since 1 + 5 + 21 + 3 + 0 + 20 + 1 + 602 + 8 + 5 = 666.
15213020160285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 15213020160285 - 22 = 15213020160281 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15213020160281) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5307804 + ... + 7654986.
It is an arithmetic number, because the mean of its divisors is an integer number (1098726219136).
Almost surely, 215213020160285 is an apocalyptic number.
15213020160285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
15213020160285 is a deficient number, since it is larger than the sum of its proper divisors (11156409098979).
15213020160285 is a wasteful number, since it uses less digits than its factorization.
15213020160285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2491225 (or 2491222 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 36.
The spelling of 15213020160285 in words is "fifteen trillion, two hundred thirteen billion, twenty million, one hundred sixty thousand, two hundred eighty-five".
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