Base | Representation |
---|---|
bin | 101110100010… |
… | …110010010100 |
3 | 211221212202220 |
4 | 232202302110 |
5 | 11110413413 |
6 | 1113302340 |
7 | 205464513 |
oct | 56426224 |
9 | 24855686 |
10 | 12201108 |
11 | 6983967 |
12 | 41049b0 |
13 | 26b26ba |
14 | 189867a |
15 | 1110223 |
hex | ba2c94 |
12201108 has 24 divisors (see below), whose sum is σ = 29164800. Its totient is φ = 3967680.
The previous prime is 12201089. The next prime is 12201131. The reversal of 12201108 is 80110221.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11908 + ... + 12891.
It is an arithmetic number, because the mean of its divisors is an integer number (1215200).
Almost surely, 212201108 is an apocalyptic number.
It is an amenable number.
12201108 is an abundant number, since it is smaller than the sum of its proper divisors (16963692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12201108 is a wasteful number, since it uses less digits than its factorization.
12201108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24847 (or 24845 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
The square root of 12201108 is about 3493.0084454521. The cubic root of 12201108 is about 230.2147207162.
Adding to 12201108 its reverse (80110221), we get a palindrome (92311329).
The spelling of 12201108 in words is "twelve million, two hundred one thousand, one hundred eight".
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