Base | Representation |
---|---|
bin | 10000110010110111… |
… | …000001100100011100 |
3 | 1201112202120011012220 |
4 | 100302313001210130 |
5 | 243412441414312 |
6 | 12141225025340 |
7 | 1205610165654 |
oct | 206267014434 |
9 | 51482504186 |
10 | 18033154332 |
11 | 7714277836 |
12 | 35b3325250 |
13 | 191506b22b |
14 | c30dbb364 |
15 | 708256c8c |
hex | 432dc191c |
18033154332 has 24 divisors (see below), whose sum is σ = 43528304400. Its totient is φ = 5803773696.
The previous prime is 18033154327. The next prime is 18033154333. The reversal of 18033154332 is 23345133081.
It is a junction number, because it is equal to n+sod(n) for n = 18033154293 and 18033154302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18033154333) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25909357 + ... + 25910052.
It is an arithmetic number, because the mean of its divisors is an integer number (1813679350).
Almost surely, 218033154332 is an apocalyptic number.
18033154332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18033154332 is an abundant number, since it is smaller than the sum of its proper divisors (25495150068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18033154332 is a wasteful number, since it uses less digits than its factorization.
18033154332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51819445 (or 51819443 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 33.
The spelling of 18033154332 in words is "eighteen billion, thirty-three million, one hundred fifty-four thousand, three hundred thirty-two".
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