Base | Representation |
---|---|
bin | 10001000110001110… |
… | …100010101010010000 |
3 | 1202101101222102001210 |
4 | 101012032202222100 |
5 | 300044132230123 |
6 | 12233353300120 |
7 | 1216634105313 |
oct | 210616425220 |
9 | 52341872053 |
10 | 18358086288 |
11 | 787072aa43 |
12 | 3684104640 |
13 | 1967488269 |
14 | c6220097a |
15 | 726a3ce93 |
hex | 4463a2a90 |
18358086288 has 40 divisors (see below), whose sum is σ = 47449338048. Its totient is φ = 6116228992.
The previous prime is 18358086283. The next prime is 18358086319. The reversal of 18358086288 is 88268085381.
It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (18358086283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2220 + ... + 191627.
Almost surely, 218358086288 is an apocalyptic number.
It is an amenable number.
18358086288 is an abundant number, since it is smaller than the sum of its proper divisors (29091251760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18358086288 is a wasteful number, since it uses less digits than its factorization.
18358086288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195831 (or 195825 counting only the distinct ones).
The product of its (nonzero) digits is 5898240, while the sum is 57.
The spelling of 18358086288 in words is "eighteen billion, three hundred fifty-eight million, eighty-six thousand, two hundred eighty-eight".
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