Base | Representation |
---|---|
bin | 1000001101011… |
… | …00101111110000 |
3 | 11210120201000212 |
4 | 10012230233300 |
5 | 120112140013 |
6 | 10500003252 |
7 | 1464225422 |
oct | 406545760 |
9 | 153521025 |
10 | 68865008 |
11 | 35966333 |
12 | 1b090528 |
13 | 11362034 |
14 | 9208812 |
15 | 60a46a8 |
hex | 41acbf0 |
68865008 has 20 divisors (see below), whose sum is σ = 133861968. Its totient is φ = 34320000.
The previous prime is 68865007. The next prime is 68865023. The reversal of 68865008 is 80056886.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68865007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1868 + ... + 11883.
Almost surely, 268865008 is an apocalyptic number.
It is an amenable number.
68865008 is a deficient number, since it is larger than the sum of its proper divisors (64996960).
68865008 is a wasteful number, since it uses less digits than its factorization.
68865008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14072 (or 14066 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 41.
The square root of 68865008 is about 8298.4943212609. The cubic root of 68865008 is about 409.8889407701. Note that the first 3 decimals are identical.
The spelling of 68865008 in words is "sixty-eight million, eight hundred sixty-five thousand, eight".
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