Base | Representation |
---|---|
bin | 1000001100001… |
… | …11011101111101 |
3 | 11210021221120122 |
4 | 10012013131331 |
5 | 120042243232 |
6 | 10452424325 |
7 | 1463021312 |
oct | 406073575 |
9 | 153257518 |
10 | 68712317 |
11 | 35871643 |
12 | 1b0180a5 |
13 | 1130a69b |
14 | 91a8d09 |
15 | 6074312 |
hex | 418777d |
68712317 has 8 divisors (see below), whose sum is σ = 73192896. Its totient is φ = 64280512.
The previous prime is 68712311. The next prime is 68712331. The reversal of 68712317 is 71321786.
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 68712317 - 220 = 67663741 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68712311) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9263 + ... + 14940.
It is an arithmetic number, because the mean of its divisors is an integer number (9149112).
Almost surely, 268712317 is an apocalyptic number.
It is an amenable number.
68712317 is a deficient number, since it is larger than the sum of its proper divisors (4480579).
68712317 is a wasteful number, since it uses less digits than its factorization.
68712317 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24387.
The product of its digits is 14112, while the sum is 35.
The square root of 68712317 is about 8289.2892940227. The cubic root of 68712317 is about 409.5857743886.
The spelling of 68712317 in words is "sixty-eight million, seven hundred twelve thousand, three hundred seventeen".
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