Base | Representation |
---|---|
bin | 10110100110011000… |
… | …01100010001110100 |
3 | 1011022120121112000220 |
4 | 23103030030101310 |
5 | 144322034420223 |
6 | 5323542534340 |
7 | 606445562664 |
oct | 132314142164 |
9 | 34276545026 |
10 | 12133123188 |
11 | 516691703a |
12 | 24274373b0 |
13 | 11b4904a44 |
14 | 8315921a4 |
15 | 4b02b96e3 |
hex | 2d330c474 |
12133123188 has 24 divisors (see below), whose sum is σ = 28318715040. Its totient is φ = 4043218080.
The previous prime is 12133123187. The next prime is 12133123217. The reversal of 12133123188 is 88132133121.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12133123187) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100278 + ... + 185261.
It is an arithmetic number, because the mean of its divisors is an integer number (1179946460).
Almost surely, 212133123188 is an apocalyptic number.
It is an amenable number.
12133123188 is an abundant number, since it is smaller than the sum of its proper divisors (16185591852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12133123188 is a wasteful number, since it uses less digits than its factorization.
12133123188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 289087 (or 289085 counting only the distinct ones).
The product of its digits is 6912, while the sum is 33.
The spelling of 12133123188 in words is "twelve billion, one hundred thirty-three million, one hundred twenty-three thousand, one hundred eighty-eight".
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