Base | Representation |
---|---|
bin | 1000001101011… |
… | …00101011111011 |
3 | 11210120200200210 |
4 | 10012230223323 |
5 | 120112133023 |
6 | 10500002203 |
7 | 1464224622 |
oct | 406545373 |
9 | 153520623 |
10 | 68864763 |
11 | 35966130 |
12 | 1b090363 |
13 | 11361ba6 |
14 | 92086b9 |
15 | 60a4593 |
hex | 41acafb |
68864763 has 32 divisors (see below), whose sum is σ = 104405760. Its totient is φ = 39992960.
The previous prime is 68864713. The next prime is 68864767. The reversal of 68864763 is 36746886.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 68864763 - 212 = 68860667 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68864767) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217081 + ... + 217397.
It is an arithmetic number, because the mean of its divisors is an integer number (3262680).
Almost surely, 268864763 is an apocalyptic number.
68864763 is a deficient number, since it is larger than the sum of its proper divisors (35540997).
68864763 is a wasteful number, since it uses less digits than its factorization.
68864763 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 587.
The product of its digits is 1161216, while the sum is 48.
The square root of 68864763 is about 8298.4795595338. The cubic root of 68864763 is about 409.8884546843. Note that the first 3 decimals are identical.
The spelling of 68864763 in words is "sixty-eight million, eight hundred sixty-four thousand, seven hundred sixty-three".
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