Base | Representation |
---|---|
bin | 1101000110010000010001… |
… | …11100000010001010001100 |
3 | 10202222110111212212212001220 |
4 | 12203020020330002022030 |
5 | 12233343401331022223 |
6 | 141131314234003340 |
7 | 6031614245005461 |
oct | 643101074021214 |
9 | 122873455785056 |
10 | 28802200642188 |
11 | 91a4a43433016 |
12 | 3292086876550 |
13 | 130c060a4c2ac |
14 | 718069229668 |
15 | 34e3283d56e3 |
hex | 1a3208f0228c |
28802200642188 has 96 divisors (see below), whose sum is σ = 68202442506240. Its totient is φ = 9459273542400.
The previous prime is 28802200642177. The next prime is 28802200642247. The reversal of 28802200642188 is 88124600220882.
It is a self number, because there is not a number n which added to its sum of digits gives 28802200642188.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281310981 + ... + 281413347.
It is an arithmetic number, because the mean of its divisors is an integer number (710442109440).
Almost surely, 228802200642188 is an apocalyptic number.
It is an amenable number.
28802200642188 is an abundant number, since it is smaller than the sum of its proper divisors (39400241864052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28802200642188 is a wasteful number, since it uses less digits than its factorization.
28802200642188 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103607 (or 103605 counting only the distinct ones).
The product of its (nonzero) digits is 1572864, while the sum is 51.
The spelling of 28802200642188 in words is "twenty-eight trillion, eight hundred two billion, two hundred million, six hundred forty-two thousand, one hundred eighty-eight".
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