Base | Representation |
---|---|
bin | 101110000110… |
… | …111001100000 |
3 | 211202002002020 |
4 | 232012321200 |
5 | 11043240010 |
6 | 1111021440 |
7 | 204510501 |
oct | 56067140 |
9 | 24662066 |
10 | 12086880 |
11 | 6906063 |
12 | 406a880 |
13 | 2672700 |
14 | 1868ba8 |
15 | 10db470 |
hex | b86e60 |
12086880 has 144 divisors (see below), whose sum is σ = 41504400. Its totient is φ = 2955264.
The previous prime is 12086863. The next prime is 12086887. The reversal of 12086880 is 8868021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12086887) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 81046 + ... + 81194.
It is an arithmetic number, because the mean of its divisors is an integer number (288225).
Almost surely, 212086880 is an apocalyptic number.
12086880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12086880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20752200).
12086880 is an abundant number, since it is smaller than the sum of its proper divisors (29417520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12086880 is a wasteful number, since it uses less digits than its factorization.
12086880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193 (or 172 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 33.
The square root of 12086880 is about 3476.6190472929. The cubic root of 12086880 is about 229.4940358521.
The spelling of 12086880 in words is "twelve million, eighty-six thousand, eight hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •