Base | Representation |
---|---|
bin | 101110011111… |
… | …100110110010 |
3 | 211221012220110 |
4 | 232133212302 |
5 | 11110004312 |
6 | 1113122150 |
7 | 205411524 |
oct | 56374662 |
9 | 24835813 |
10 | 12188082 |
11 | 69750a5 |
12 | 40b9356 |
13 | 26a97aa |
14 | 1893a14 |
15 | 110b43c |
hex | b9f9b2 |
12188082 has 48 divisors (see below), whose sum is σ = 27322272. Its totient is φ = 3611520.
The previous prime is 12188069. The next prime is 12188083. The reversal of 12188082 is 28088121.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (12188083) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36657 + ... + 36987.
It is an arithmetic number, because the mean of its divisors is an integer number (569214).
Almost surely, 212188082 is an apocalyptic number.
12188082 is an abundant number, since it is smaller than the sum of its proper divisors (15134190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12188082 is a wasteful number, since it uses less digits than its factorization.
12188082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 391 (or 372 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 30.
The square root of 12188082 is about 3491.1433657185. The cubic root of 12188082 is about 230.1327651878.
The spelling of 12188082 in words is "twelve million, one hundred eighty-eight thousand, eighty-two".
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