Base | Representation |
---|---|
bin | 1100000000001… |
… | …00000101010010 |
3 | 21000110002000120 |
4 | 12000010011102 |
5 | 201233230033 |
6 | 13553531110 |
7 | 2331523515 |
oct | 600040522 |
9 | 230402016 |
10 | 100680018 |
11 | 5191642a |
12 | 29873a96 |
13 | 17b2119a |
14 | d52ad7c |
15 | 8c8b1b3 |
hex | 6004152 |
100680018 has 32 divisors (see below), whose sum is σ = 214596864. Its totient is φ = 31379712.
The previous prime is 100680017. The next prime is 100680037. The reversal of 100680018 is 810086001.
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 100680018.
It is not an unprimeable number, because it can be changed into a prime (100680011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12871 + ... + 19157.
It is an arithmetic number, because the mean of its divisors is an integer number (6706152).
Almost surely, 2100680018 is an apocalyptic number.
100680018 is an abundant number, since it is smaller than the sum of its proper divisors (113916846).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100680018 is a wasteful number, since it uses less digits than its factorization.
100680018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6466.
The product of its (nonzero) digits is 384, while the sum is 24.
The square root of 100680018 is about 10033.9432926442. The cubic root of 100680018 is about 465.2086287774.
The spelling of 100680018 in words is "one hundred million, six hundred eighty thousand, eighteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •