Base | Representation |
---|---|
bin | 10000101111000001… |
… | …001101001000101101 |
3 | 1201101021022021002111 |
4 | 100233001031020231 |
5 | 243244442324120 |
6 | 12131003524021 |
7 | 1204165360054 |
oct | 205701151055 |
9 | 51337267074 |
10 | 17968714285 |
11 | 7690963aa5 |
12 | 3595829611 |
13 | 19048c8322 |
14 | c2660539b |
15 | 70277875a |
hex | 42f04d22d |
17968714285 has 8 divisors (see below), whose sum is σ = 21969296280. Its totient is φ = 14103745344.
The previous prime is 17968714279. The next prime is 17968714297. The reversal of 17968714285 is 58241786971.
It can be written as a sum of positive squares in 4 ways, for example, as 6161936004 + 11806778281 = 78498^2 + 108659^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 17968714285 - 221 = 17966617133 is a prime.
It is a super-2 number, since 2×179687142852 (a number of 21 digits) contains 22 as substring.
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, 33902970 + ... + 33903499.
It is an arithmetic number, because the mean of its divisors is an integer number (2746162035).
Almost surely, 217968714285 is an apocalyptic number.
It is an amenable number.
17968714285 is a deficient number, since it is larger than the sum of its proper divisors (4000581995).
17968714285 is an equidigital number, since it uses as much as digits as its factorization.
17968714285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67806527.
The product of its digits is 6773760, while the sum is 58.
The spelling of 17968714285 in words is "seventeen billion, nine hundred sixty-eight million, seven hundred fourteen thousand, two hundred eighty-five".
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