Base | Representation |
---|---|
bin | 100010011100… |
… | …0101110010010 |
3 | 1020222110002122 |
4 | 1010320232102 |
5 | 14110330010 |
6 | 1443014242 |
7 | 306330416 |
oct | 104705622 |
9 | 36873078 |
10 | 18058130 |
11 | a214382 |
12 | 606a382 |
13 | 39835ac |
14 | 2580d46 |
15 | 18ba855 |
hex | 1138b92 |
18058130 has 32 divisors (see below), whose sum is σ = 33454080. Its totient is φ = 7015680.
The previous prime is 18058129. The next prime is 18058133. The reversal of 18058130 is 3185081.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 18058130.
It is not an unprimeable number, because it can be changed into a prime (18058133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74810 + ... + 75050.
It is an arithmetic number, because the mean of its divisors is an integer number (1045440).
Almost surely, 218058130 is an apocalyptic number.
18058130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18058130 is a deficient number, since it is larger than the sum of its proper divisors (15395950).
18058130 is a wasteful number, since it uses less digits than its factorization.
18058130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 434.
The product of its (nonzero) digits is 960, while the sum is 26.
The square root of 18058130 is about 4249.4858512531. The cubic root of 18058130 is about 262.3559542277.
The spelling of 18058130 in words is "eighteen million, fifty-eight thousand, one hundred thirty".
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