Base | Representation |
---|---|
bin | 1101010001101011111… |
… | …1111010010100111000 |
3 | 210210201201110220121110 |
4 | 3110122333322110320 |
5 | 12214110033301110 |
6 | 252440435240320 |
7 | 22323121644321 |
oct | 3243277722470 |
9 | 723651426543 |
10 | 228086228280 |
11 | 88804803209 |
12 | 382557490a0 |
13 | 1867c06b171 |
14 | b07a2b9448 |
15 | 5dee06ea20 |
hex | 351affa538 |
228086228280 has 32 divisors (see below), whose sum is σ = 684258685200. Its totient is φ = 60822994176.
The previous prime is 228086228239. The next prime is 228086228291. The reversal of 228086228280 is 82822680822.
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, 950359165 + ... + 950359404.
Almost surely, 2228086228280 is an apocalyptic number.
228086228280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
228086228280 is an abundant number, since it is smaller than the sum of its proper divisors (456172456920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228086228280 is a wasteful number, since it uses less digits than its factorization.
228086228280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1900718583 (or 1900718579 counting only the distinct ones).
The product of its (nonzero) digits is 786432, while the sum is 48.
The spelling of 228086228280 in words is "two hundred twenty-eight billion, eighty-six million, two hundred twenty-eight thousand, two hundred eighty".
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