Base | Representation |
---|---|
bin | 10001000111111100… |
… | …011001001100010110 |
3 | 1202110102011110012122 |
4 | 101013330121030112 |
5 | 300124020231400 |
6 | 12240302415542 |
7 | 1220433633623 |
oct | 210774311426 |
9 | 52412143178 |
10 | 18386883350 |
11 | 7885a09670 |
12 | 36918915b2 |
13 | 197042b844 |
14 | c65d7934a |
15 | 72932a685 |
hex | 447f19316 |
18386883350 has 48 divisors (see below), whose sum is σ = 37678164336. Its totient is φ = 6619920000.
The previous prime is 18386883323. The next prime is 18386883367. The reversal of 18386883350 is 5338868381.
It is a junction number, because it is equal to n+sod(n) for n = 18386883292 and 18386883301.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 109949 + ... + 221048.
It is an arithmetic number, because the mean of its divisors is an integer number (784961757).
Almost surely, 218386883350 is an apocalyptic number.
18386883350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18386883350 is an abundant number, since it is smaller than the sum of its proper divisors (19291280986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18386883350 is a wasteful number, since it uses less digits than its factorization.
18386883350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 331121 (or 331116 counting only the distinct ones).
The product of its (nonzero) digits is 3317760, while the sum is 53.
The spelling of 18386883350 in words is "eighteen billion, three hundred eighty-six million, eight hundred eighty-three thousand, three hundred fifty".
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