Base | Representation |
---|---|
bin | 10000110100000110… |
… | …111110001001001110 |
3 | 1201121012222220111020 |
4 | 100310012332021032 |
5 | 243433323034242 |
6 | 12143254135010 |
7 | 1206253263345 |
oct | 206406761116 |
9 | 51535886436 |
10 | 18054111822 |
11 | 772509147a |
12 | 35ba351466 |
13 | 19194c8406 |
14 | c33ab4b5c |
15 | 709ee66ec |
hex | 4341be24e |
18054111822 has 8 divisors (see below), whose sum is σ = 36108223656. Its totient is φ = 6018037272.
The previous prime is 18054111799. The next prime is 18054111827. The reversal of 18054111822 is 22811145081.
It is a sphenic number, since it is the product of 3 distinct primes.
18054111822 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18054111827) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504509313 + ... + 1504509324.
It is an arithmetic number, because the mean of its divisors is an integer number (4513527957).
Almost surely, 218054111822 is an apocalyptic number.
18054111822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18054111822 is a wasteful number, since it uses less digits than its factorization.
18054111822 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3009018642.
The product of its (nonzero) digits is 5120, while the sum is 33.
The spelling of 18054111822 in words is "eighteen billion, fifty-four million, one hundred eleven thousand, eight hundred twenty-two".
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