Base | Representation |
---|---|
bin | 10101011110000… |
… | …11101011100110 |
3 | 110112220102201220 |
4 | 22233003223212 |
5 | 332101424011 |
6 | 25512201210 |
7 | 4314615141 |
oct | 1257035346 |
9 | 415812656 |
10 | 180108006 |
11 | 927368a1 |
12 | 50399206 |
13 | 2b4110b0 |
14 | 19cc5058 |
15 | 10c2a506 |
hex | abc3ae6 |
180108006 has 16 divisors (see below), whose sum is σ = 387925104. Its totient is φ = 55417824.
The previous prime is 180107989. The next prime is 180108007. The reversal of 180108006 is 600801081.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (180108007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154461 + ... + 1154616.
It is an arithmetic number, because the mean of its divisors is an integer number (24245319).
Almost surely, 2180108006 is an apocalyptic number.
180108006 is an abundant number, since it is smaller than the sum of its proper divisors (207817098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180108006 is a wasteful number, since it uses less digits than its factorization.
180108006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2309095.
The product of its (nonzero) digits is 384, while the sum is 24.
The square root of 180108006 is about 13420.4324073407. The cubic root of 180108006 is about 564.7345253458.
Adding to 180108006 its reverse (600801081), we get a palindrome (780909087).
The spelling of 180108006 in words is "one hundred eighty million, one hundred eight thousand, six".
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