Base | Representation |
---|---|
bin | 10110101100111101… |
… | …01100001100100010 |
3 | 1011110102110000002200 |
4 | 23112132230030202 |
5 | 144430201213122 |
6 | 5333233354030 |
7 | 611015606316 |
oct | 132636541442 |
9 | 34412400080 |
10 | 12188304162 |
11 | 5194a86351 |
12 | 2441a08916 |
13 | 11c31853c8 |
14 | 838a37b46 |
15 | 4b50695ac |
hex | 2d67ac322 |
12188304162 has 96 divisors (see below), whose sum is σ = 28649786880. Its totient is φ = 3736212480.
The previous prime is 12188304143. The next prime is 12188304169. The reversal of 12188304162 is 26140388121.
12188304162 is a `hidden beast` number, since 12 + 188 + 304 + 162 = 666.
12188304162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (12188304169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 880914 + ... + 894642.
It is an arithmetic number, because the mean of its divisors is an integer number (298435280).
Almost surely, 212188304162 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12188304162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14324893440).
12188304162 is an abundant number, since it is smaller than the sum of its proper divisors (16461482718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12188304162 is a wasteful number, since it uses less digits than its factorization.
12188304162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13848 (or 13845 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The spelling of 12188304162 in words is "twelve billion, one hundred eighty-eight million, three hundred four thousand, one hundred sixty-two".
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