Base | Representation |
---|---|
bin | 100000000110111100… |
… | …0101011011000100001 |
3 | 20120222102011210101022 |
4 | 1000031320223120201 |
5 | 2112203311011210 |
6 | 51402030015225 |
7 | 4660464024632 |
oct | 1001570533041 |
9 | 216872153338 |
10 | 68952438305 |
11 | 27273943503 |
12 | 11444047515 |
13 | 666b3c6b6a |
14 | 34a1847889 |
15 | 1bd8687155 |
hex | 100de2b621 |
68952438305 has 8 divisors (see below), whose sum is σ = 84145348800. Its totient is φ = 54227002096.
The previous prime is 68952438299. The next prime is 68952438343. The reversal of 68952438305 is 50383425986.
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 68952438305 - 26 = 68952438241 is a prime.
It is a super-3 number, since 3×689524383053 (a number of 33 digits) contains 333 as substring.
It is a Curzon 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, 116868245 + ... + 116868834.
It is an arithmetic number, because the mean of its divisors is an integer number (10518168600).
Almost surely, 268952438305 is an apocalyptic number.
It is an amenable number.
68952438305 is a deficient number, since it is larger than the sum of its proper divisors (15192910495).
68952438305 is a wasteful number, since it uses less digits than its factorization.
68952438305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233737143.
The product of its (nonzero) digits is 6220800, while the sum is 53.
The spelling of 68952438305 in words is "sixty-eight billion, nine hundred fifty-two million, four hundred thirty-eight thousand, three hundred five".
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