Base | Representation |
---|---|
bin | 11010001110100001… |
… | …100010011011100100 |
3 | 2200200120211000001222 |
4 | 122032201202123210 |
5 | 430133201211403 |
6 | 20534215035512 |
7 | 2014566132602 |
oct | 321641423344 |
9 | 80616730058 |
10 | 28160960228 |
11 | 10a41145255 |
12 | 555b06bb98 |
13 | 286a38659b |
14 | 15120cc872 |
15 | aec45d338 |
hex | 68e8626e4 |
28160960228 has 12 divisors (see below), whose sum is σ = 49282998912. Its totient is φ = 14080103400.
The previous prime is 28160960203. The next prime is 28160960231. The reversal of 28160960228 is 82206906182.
It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137153 + ... + 274103.
It is an arithmetic number, because the mean of its divisors is an integer number (4106916576).
Almost surely, 228160960228 is an apocalyptic number.
It is an amenable number.
28160960228 is a deficient number, since it is larger than the sum of its proper divisors (21122038684).
28160960228 is a wasteful number, since it uses less digits than its factorization.
28160960228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188362 (or 188360 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 44.
The spelling of 28160960228 in words is "twenty-eight billion, one hundred sixty million, nine hundred sixty thousand, two hundred twenty-eight".
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