Base | Representation |
---|---|
bin | 1000001011111110110111… |
… | …01001101000000101011100 |
3 | 2100202011012021002120221120 |
4 | 10011333123221220011130 |
5 | 4324433433110404212 |
6 | 102142512502530540 |
7 | 3535511153001513 |
oct | 405773351500534 |
9 | 70664167076846 |
10 | 18003893059932 |
11 | 58114542a985a |
12 | 2029337436a50 |
13 | a079b546a730 |
14 | 46357084567a |
15 | 2134c8a5788c |
hex | 105fdba6815c |
18003893059932 has 48 divisors (see below), whose sum is σ = 45261683201952. Its totient is φ = 5537071883520.
The previous prime is 18003893059891. The next prime is 18003893059937. The reversal of 18003893059932 is 23995039830081.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18003893059937) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26618263 + ... + 27286254.
It is an arithmetic number, because the mean of its divisors is an integer number (942951733374).
Almost surely, 218003893059932 is an apocalyptic number.
18003893059932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18003893059932 is an abundant number, since it is smaller than the sum of its proper divisors (27257790142020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18003893059932 is a wasteful number, since it uses less digits than its factorization.
18003893059932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53906678 (or 53906676 counting only the distinct ones).
The product of its (nonzero) digits is 12597120, while the sum is 60.
The spelling of 18003893059932 in words is "eighteen trillion, three billion, eight hundred ninety-three million, fifty-nine thousand, nine hundred thirty-two".
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