Base | Representation |
---|---|
bin | 1000001101011… |
… | …11010100110011 |
3 | 11210121020112002 |
4 | 10012233110303 |
5 | 120113004241 |
6 | 10500124215 |
7 | 1464301262 |
oct | 406572463 |
9 | 153536462 |
10 | 68875571 |
11 | 35973266 |
12 | 1b09666b |
13 | 11366a9b |
14 | 920c5d9 |
15 | 60a789b |
hex | 41af533 |
68875571 has 2 divisors, whose sum is σ = 68875572. Its totient is φ = 68875570.
The previous prime is 68875559. The next prime is 68875591. The reversal of 68875571 is 17557886.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68875571 - 226 = 1766707 is a prime.
It is not a weakly prime, because it can be changed into another prime (68875591) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34437785 + 34437786.
It is an arithmetic number, because the mean of its divisors is an integer number (34437786).
Almost surely, 268875571 is an apocalyptic number.
68875571 is a deficient number, since it is larger than the sum of its proper divisors (1).
68875571 is an equidigital number, since it uses as much as digits as its factorization.
68875571 is an evil number, because the sum of its binary digits is even.
The product of its digits is 470400, while the sum is 47.
The square root of 68875571 is about 8299.1307376134. The cubic root of 68875571 is about 409.9098969163.
The spelling of 68875571 in words is "sixty-eight million, eight hundred seventy-five thousand, five hundred seventy-one".
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