Base | Representation |
---|---|
bin | 11010101101101000… |
… | …100110011000010100 |
3 | 2202000221221112211211 |
4 | 122231220212120110 |
5 | 432220310430413 |
6 | 21102102111204 |
7 | 2033534446024 |
oct | 325550463024 |
9 | 82027845754 |
10 | 28682905108 |
11 | 11189830160 |
12 | 5685a1b504 |
13 | 2921553100 |
14 | 1561557a84 |
15 | b2d1ad83d |
hex | 6ada26614 |
28682905108 has 72 divisors (see below), whose sum is σ = 59398145856. Its totient is φ = 12013747200.
The previous prime is 28682905073. The next prime is 28682905187. The reversal of 28682905108 is 80150928682.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4689060 + ... + 4695172.
It is an arithmetic number, because the mean of its divisors is an integer number (824974248).
Almost surely, 228682905108 is an apocalyptic number.
It is an amenable number.
28682905108 is an abundant number, since it is smaller than the sum of its proper divisors (30715240748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28682905108 is a wasteful number, since it uses less digits than its factorization.
28682905108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6785 (or 6770 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 49.
The spelling of 28682905108 in words is "twenty-eight billion, six hundred eighty-two million, nine hundred five thousand, one hundred eight".
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