Base | Representation |
---|---|
bin | 1000001101001… |
… | …11101001000101 |
3 | 11210112122100112 |
4 | 10012213221011 |
5 | 120111002401 |
6 | 10455322405 |
7 | 1464110444 |
oct | 406475105 |
9 | 153478315 |
10 | 68844101 |
11 | 35951657 |
12 | 1b080405 |
13 | 11355671 |
14 | 9200d5b |
15 | 609d3bb |
hex | 41a7a45 |
68844101 has 16 divisors (see below), whose sum is σ = 74680704. Its totient is φ = 63227904.
The previous prime is 68844079. The next prime is 68844131. The reversal of 68844101 is 10144886.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68844101 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68844131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136616 + ... + 137118.
It is an arithmetic number, because the mean of its divisors is an integer number (4667544).
Almost surely, 268844101 is an apocalyptic number.
It is an amenable number.
68844101 is a deficient number, since it is larger than the sum of its proper divisors (5836603).
68844101 is a wasteful number, since it uses less digits than its factorization.
68844101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 700.
The product of its (nonzero) digits is 6144, while the sum is 32.
The square root of 68844101 is about 8297.2345392908. The cubic root of 68844101 is about 409.8474566371.
Adding to 68844101 its reverse (10144886), we get a palindrome (78988987).
The spelling of 68844101 in words is "sixty-eight million, eight hundred forty-four thousand, one hundred one".
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