Base | Representation |
---|---|
bin | 100010101100… |
… | …0111010111010 |
3 | 1021020011000002 |
4 | 1011120322322 |
5 | 14124040020 |
6 | 1445513002 |
7 | 310420046 |
oct | 105307272 |
9 | 37204002 |
10 | 18190010 |
11 | a2a4473 |
12 | 6112762 |
13 | 39cb627 |
14 | 25b7026 |
15 | 18e4975 |
hex | 1158eba |
18190010 has 16 divisors (see below), whose sum is σ = 34166016. Its totient is φ = 6959568.
The previous prime is 18190009. The next prime is 18190027. The reversal of 18190010 is 1009181.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39314 + ... + 39773.
It is an arithmetic number, because the mean of its divisors is an integer number (2135376).
Almost surely, 218190010 is an apocalyptic number.
18190010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18190010 is a deficient number, since it is larger than the sum of its proper divisors (15976006).
18190010 is a wasteful number, since it uses less digits than its factorization.
18190010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79117.
The product of its (nonzero) digits is 72, while the sum is 20.
The square root of 18190010 is about 4264.9747947673. The cubic root of 18190010 is about 262.9930747501.
Adding to 18190010 its reverse (1009181), we get a palindrome (19199191).
The spelling of 18190010 in words is "eighteen million, one hundred ninety thousand, ten".
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