Base | Representation |
---|---|
bin | 10000111000111001… |
… | …000100010111011000 |
3 | 1201210210222121012100 |
4 | 100320321010113120 |
5 | 244114343301433 |
6 | 12155242043400 |
7 | 1211246313615 |
oct | 207071042730 |
9 | 51723877170 |
10 | 18134353368 |
11 | 77664080aa |
12 | 36211a9560 |
13 | 1930011711 |
14 | c4060150c |
15 | 712096b13 |
hex | 438e445d8 |
18134353368 has 48 divisors (see below), whose sum is σ = 49500622080. Its totient is φ = 5997184704.
The previous prime is 18134353333. The next prime is 18134353421. The reversal of 18134353368 is 86335343181.
18134353368 is a `hidden beast` number, since 1 + 8 + 13 + 43 + 533 + 68 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 982455 + ... + 1000742.
It is an arithmetic number, because the mean of its divisors is an integer number (1031262960).
Almost surely, 218134353368 is an apocalyptic number.
18134353368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
18134353368 is an abundant number, since it is smaller than the sum of its proper divisors (31366268712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18134353368 is a wasteful number, since it uses less digits than its factorization.
18134353368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1983336 (or 1983329 counting only the distinct ones).
The product of its digits is 622080, while the sum is 45.
The spelling of 18134353368 in words is "eighteen billion, one hundred thirty-four million, three hundred fifty-three thousand, three hundred sixty-eight".
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