Base | Representation |
---|---|
bin | 10110010111001000… |
… | …11001011001100100 |
3 | 1010222122222220220100 |
4 | 23023210121121210 |
5 | 144041321010120 |
6 | 5303134104100 |
7 | 603333642534 |
oct | 131344313144 |
9 | 33878886810 |
10 | 12005250660 |
11 | 5100718567 |
12 | 23b064b030 |
13 | 1194282720 |
14 | 81c5c74c4 |
15 | 4a3e5b490 |
hex | 2cb919664 |
12005250660 has 144 divisors (see below), whose sum is σ = 40922429184. Its totient is φ = 2826641664.
The previous prime is 12005250641. The next prime is 12005250701. The reversal of 12005250660 is 6605250021.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57712 + ... + 165351.
It is an arithmetic number, because the mean of its divisors is an integer number (284183536).
Almost surely, 212005250660 is an apocalyptic number.
12005250660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12005250660 is an abundant number, since it is smaller than the sum of its proper divisors (28917178524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12005250660 is a wasteful number, since it uses less digits than its factorization.
12005250660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223114 (or 223109 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The spelling of 12005250660 in words is "twelve billion, five million, two hundred fifty thousand, six hundred sixty".
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