Base | Representation |
---|---|
bin | 10000101111000001… |
… | …010010111100000111 |
3 | 1201101021100110200212 |
4 | 100233001102330013 |
5 | 243244444104210 |
6 | 12131004230035 |
7 | 1204165516262 |
oct | 205701227407 |
9 | 51337313625 |
10 | 17968738055 |
11 | 769097a944 |
12 | 359583b31b |
13 | 19049060a8 |
14 | c2660dcd9 |
15 | 702780805 |
hex | 42f052f07 |
17968738055 has 8 divisors (see below), whose sum is σ = 21565181232. Its totient is φ = 14373193408.
The previous prime is 17968738033. The next prime is 17968738079. The reversal of 17968738055 is 55083786971.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-17968738055 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 17968737985 and 17968738003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179822 + ... + 261291.
It is an arithmetic number, because the mean of its divisors is an integer number (2695647654).
Almost surely, 217968738055 is an apocalyptic number.
17968738055 is a deficient number, since it is larger than the sum of its proper divisors (3596443177).
17968738055 is an equidigital number, since it uses as much as digits as its factorization.
17968738055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 449265.
The product of its (nonzero) digits is 12700800, while the sum is 59.
The spelling of 17968738055 in words is "seventeen billion, nine hundred sixty-eight million, seven hundred thirty-eight thousand, fifty-five".
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