Base | Representation |
---|---|
bin | 1000001101011… |
… | …01111011101100 |
3 | 11210120221200212 |
4 | 10012231323230 |
5 | 120112313433 |
6 | 10500041552 |
7 | 1464245534 |
oct | 406557354 |
9 | 153527625 |
10 | 68869868 |
11 | 35969a51 |
12 | 1b0932b8 |
13 | 11364302 |
14 | 920a4c4 |
15 | 60a5d48 |
hex | 41adeec |
68869868 has 6 divisors (see below), whose sum is σ = 120522276. Its totient is φ = 34434932.
The previous prime is 68869859. The next prime is 68869877. The reversal of 68869868 is 86896886.
It is an interprime number because it is at equal distance from previous prime (68869859) and next prime (68869877).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8608730 + ... + 8608737.
It is an arithmetic number, because the mean of its divisors is an integer number (20087046).
Almost surely, 268869868 is an apocalyptic number.
It is an amenable number.
68869868 is a deficient number, since it is larger than the sum of its proper divisors (51652408).
68869868 is a wasteful number, since it uses less digits than its factorization.
68869868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17217471 (or 17217469 counting only the distinct ones).
The product of its digits is 7962624, while the sum is 59.
The square root of 68869868 is about 8298.7871402995. The cubic root of 68869868 is about 409.8985828871.
The spelling of 68869868 in words is "sixty-eight million, eight hundred sixty-nine thousand, eight hundred sixty-eight".
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