Base | Representation |
---|---|
bin | 10000110010011111… |
… | …110010101110001110 |
3 | 1201112100002202010200 |
4 | 100302133302232032 |
5 | 243404412023311 |
6 | 12140450314330 |
7 | 1205504342334 |
oct | 206237625616 |
9 | 51470082120 |
10 | 18027064206 |
11 | 7710898178 |
12 | 35b12889a6 |
13 | 1913a181c8 |
14 | c30273b54 |
15 | 707952556 |
hex | 4327f2b8e |
18027064206 has 12 divisors (see below), whose sum is σ = 39058639152. Its totient is φ = 6009021396.
The previous prime is 18027064189. The next prime is 18027064217. The reversal of 18027064206 is 60246072081.
18027064206 is a `hidden beast` number, since 1 + 8 + 0 + 2 + 7 + 0 + 642 + 0 + 6 = 666.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500751766 + ... + 500751801.
It is an arithmetic number, because the mean of its divisors is an integer number (3254886596).
Almost surely, 218027064206 is an apocalyptic number.
18027064206 is an abundant number, since it is smaller than the sum of its proper divisors (21031574946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18027064206 is a wasteful number, since it uses less digits than its factorization.
18027064206 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1001503575 (or 1001503572 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The spelling of 18027064206 in words is "eighteen billion, twenty-seven million, sixty-four thousand, two hundred six".
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