Base | Representation |
---|---|
bin | 1101000111001… |
… | …10010000001010 |
3 | 21122222022210120 |
4 | 12203212100022 |
5 | 211124320033 |
6 | 14525324110 |
7 | 2503641120 |
oct | 643462012 |
9 | 248868716 |
10 | 109995018 |
11 | 570a8981 |
12 | 30a06636 |
13 | 19a33013 |
14 | 10873910 |
15 | 99cb1b3 |
hex | 68e640a |
109995018 has 32 divisors (see below), whose sum is σ = 254607360. Its totient is φ = 31028400.
The previous prime is 109995007. The next prime is 109995019. The reversal of 109995018 is 810599901.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (109995019) 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, 13258 + ... + 19893.
It is an arithmetic number, because the mean of its divisors is an integer number (7956480).
Almost surely, 2109995018 is an apocalyptic number.
109995018 is an abundant number, since it is smaller than the sum of its proper divisors (144612342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109995018 is a wasteful number, since it uses less digits than its factorization.
109995018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33242.
The product of its (nonzero) digits is 29160, while the sum is 42.
The square root of 109995018 is about 10487.8509714812. The cubic root of 109995018 is about 479.1347520050.
The spelling of 109995018 in words is "one hundred nine million, nine hundred ninety-five thousand, eighteen".
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