Base | Representation |
---|---|
bin | 1000001110001… |
… | …01111011100011 |
3 | 11210202221112102 |
4 | 10013011323203 |
5 | 120123440123 |
6 | 10502121015 |
7 | 1465135235 |
oct | 407057343 |
9 | 153687472 |
10 | 68968163 |
11 | 35a26890 |
12 | 1b12016b |
13 | 11399c84 |
14 | 9234255 |
15 | 60c5028 |
hex | 41c5ee3 |
68968163 has 8 divisors (see below), whose sum is σ = 75660480. Its totient is φ = 62346280.
The previous prime is 68968139. The next prime is 68968181. The reversal of 68968163 is 36186986.
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 68968163 - 28 = 68967907 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68968363) 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, 15545 + ... + 19482.
It is an arithmetic number, because the mean of its divisors is an integer number (9457560).
Almost surely, 268968163 is an apocalyptic number.
68968163 is a deficient number, since it is larger than the sum of its proper divisors (6692317).
68968163 is a wasteful number, since it uses less digits than its factorization.
68968163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35217.
The product of its digits is 373248, while the sum is 47.
The square root of 68968163 is about 8304.7072796096. The cubic root of 68968163 is about 410.0935003889.
The spelling of 68968163 in words is "sixty-eight million, nine hundred sixty-eight thousand, one hundred sixty-three".
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