Base | Representation |
---|---|
bin | 1000010011110011100001… |
… | …00110010101001000000100 |
3 | 2101200211222111002112102000 |
4 | 10021321300212111020010 |
5 | 4343334422033122010 |
6 | 102510204151145300 |
7 | 3564105021033630 |
oct | 411716046251004 |
9 | 71624874075360 |
10 | 18272679973380 |
11 | 5905444528158 |
12 | 207144b675230 |
13 | a2714c7aa351 |
14 | 47258c3a3dc0 |
15 | 21a4aad697c0 |
hex | 109e70995204 |
18272679973380 has 192 divisors, whose sum is σ = 64971986042880. Its totient is φ = 4176454601088.
The previous prime is 18272679973333. The next prime is 18272679973403. The reversal of 18272679973380 is 8337997627281.
18272679973380 is a `hidden beast` number, since 1 + 8 + 27 + 267 + 9 + 9 + 7 + 338 + 0 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 18272679973299 and 18272679973308.
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 63 ways as a sum of consecutive naturals, for example, 121122757 + ... + 121273523.
It is an arithmetic number, because the mean of its divisors is an integer number (338395760640).
Almost surely, 218272679973380 is an apocalyptic number.
18272679973380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18272679973380 is an abundant number, since it is smaller than the sum of its proper divisors (46699306069500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18272679973380 is a wasteful number, since it uses less digits than its factorization.
18272679973380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182855 (or 182847 counting only the distinct ones).
The product of its (nonzero) digits is 384072192, while the sum is 72.
The spelling of 18272679973380 in words is "eighteen trillion, two hundred seventy-two billion, six hundred seventy-nine million, nine hundred seventy-three thousand, three hundred eighty".
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