Base | Representation |
---|---|
bin | 100010011101… |
… | …1111000111110 |
3 | 1021000002220002 |
4 | 1010323320332 |
5 | 14111233402 |
6 | 1443154302 |
7 | 306413300 |
oct | 104737076 |
9 | 37002802 |
10 | 18071102 |
11 | a2230a5 |
12 | 6075992 |
13 | 398947a |
14 | 2585970 |
15 | 18be602 |
hex | 113be3e |
18071102 has 24 divisors (see below), whose sum is σ = 33390144. Its totient is φ = 7288512.
The previous prime is 18071087. The next prime is 18071107. The reversal of 18071102 is 20117081.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18071107) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3758 + ... + 7089.
It is an arithmetic number, because the mean of its divisors is an integer number (1391256).
Almost surely, 218071102 is an apocalyptic number.
18071102 is a deficient number, since it is larger than the sum of its proper divisors (15319042).
18071102 is a wasteful number, since it uses less digits than its factorization.
18071102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10880 (or 10873 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 20.
The square root of 18071102 is about 4251.0118795412. The cubic root of 18071102 is about 262.4187600452.
Adding to 18071102 its reverse (20117081), we get a palindrome (38188183).
The spelling of 18071102 in words is "eighteen million, seventy-one thousand, one hundred two".
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