Base | Representation |
---|---|
bin | 1101001111101… |
… | …00000100111100 |
3 | 21202001110211222 |
4 | 12213310010330 |
5 | 211420201340 |
6 | 15005132512 |
7 | 2516223230 |
oct | 647640474 |
9 | 252043758 |
10 | 111100220 |
11 | 57793270 |
12 | 3125a138 |
13 | 1a02c09a |
14 | 10a805c0 |
15 | 9b488b5 |
hex | 69f413c |
111100220 has 96 divisors (see below), whose sum is σ = 306270720. Its totient is φ = 32797440.
The previous prime is 111100207. The next prime is 111100237. The reversal of 111100220 is 22001111.
It is a junction number, because it is equal to n+sod(n) for n = 111100198 and 111100207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27362 + ... + 31158.
It is an arithmetic number, because the mean of its divisors is an integer number (3190320).
Almost surely, 2111100220 is an apocalyptic number.
111100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 111100220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153135360).
111100220 is an abundant number, since it is smaller than the sum of its proper divisors (195170500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111100220 is a wasteful number, since it uses less digits than its factorization.
111100220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3843 (or 3841 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 8.
The square root of 111100220 is about 10540.4089104740. The cubic root of 111100220 is about 480.7341485556.
Adding to 111100220 its reverse (22001111), we get a palindrome (133101331).
The spelling of 111100220 in words is "one hundred eleven million, one hundred thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •