Base | Representation |
---|---|
bin | 10110011101000101… |
… | …10011111001101000 |
3 | 1011010010220220122200 |
4 | 23032202303321220 |
5 | 144142110312233 |
6 | 5312120020200 |
7 | 604511140134 |
oct | 131642637150 |
9 | 34103826580 |
10 | 12055166568 |
11 | 5126911085 |
12 | 2405301660 |
13 | 11a170b773 |
14 | 82509c3c4 |
15 | 4a851b313 |
hex | 2ce8b3e68 |
12055166568 has 48 divisors (see below), whose sum is σ = 32666524800. Its totient is φ = 4016282400.
The previous prime is 12055166567. The next prime is 12055166639. The reversal of 12055166568 is 86566155021.
12055166568 is a `hidden beast` number, since 1 + 20 + 5 + 5 + 1 + 66 + 568 = 666.
It is not an unprimeable number, because it can be changed into a prime (12055166561) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97563 + ... + 183381.
It is an arithmetic number, because the mean of its divisors is an integer number (680552600).
Almost surely, 212055166568 is an apocalyptic number.
12055166568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
12055166568 is an abundant number, since it is smaller than the sum of its proper divisors (20611358232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12055166568 is a wasteful number, since it uses less digits than its factorization.
12055166568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87782 (or 87775 counting only the distinct ones).
The product of its (nonzero) digits is 432000, while the sum is 45.
The spelling of 12055166568 in words is "twelve billion, fifty-five million, one hundred sixty-six thousand, five hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •