Base | Representation |
---|---|
bin | 10110100000101010… |
… | …10100011010111101 |
3 | 1011012020101222002102 |
4 | 23100111110122331 |
5 | 144222301343224 |
6 | 5315111234445 |
7 | 605324241101 |
oct | 132025243275 |
9 | 34166358072 |
10 | 12085184189 |
11 | 5141853831 |
12 | 2413378a25 |
13 | 11a79bb780 |
14 | 829073901 |
15 | 4aae9a4ae |
hex | 2d05546bd |
12085184189 has 16 divisors (see below), whose sum is σ = 13164560640. Its totient is φ = 11027553600.
The previous prime is 12085184129. The next prime is 12085184197. The reversal of 12085184189 is 98148158021.
12085184189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12085184189 - 232 = 7790216893 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12085184129) 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 15 ways as a sum of consecutive naturals, for example, 858284 + ... + 872250.
It is an arithmetic number, because the mean of its divisors is an integer number (822785040).
Almost surely, 212085184189 is an apocalyptic number.
It is an amenable number.
12085184189 is a deficient number, since it is larger than the sum of its proper divisors (1079376451).
12085184189 is a wasteful number, since it uses less digits than its factorization.
12085184189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14740.
The product of its (nonzero) digits is 184320, while the sum is 47.
The spelling of 12085184189 in words is "twelve billion, eighty-five million, one hundred eighty-four thousand, one hundred eighty-nine".
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