Base | Representation |
---|---|
bin | 1101001111101… |
… | …00100100000100 |
3 | 21202001120120202 |
4 | 12213310210010 |
5 | 211420232322 |
6 | 15005150032 |
7 | 2516232104 |
oct | 647644404 |
9 | 252046522 |
10 | 111102212 |
11 | 57794811 |
12 | 3125b318 |
13 | 1a02cc70 |
14 | 10a81204 |
15 | 9b49292 |
hex | 69f4904 |
111102212 has 24 divisors (see below), whose sum is σ = 209676096. Its totient is φ = 51206688.
The previous prime is 111102209. The next prime is 111102221. The reversal of 111102212 is 212201111.
It is a super-2 number, since 2×1111022122 = 24687403022585888, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 111102193 and 111102202.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62723 + ... + 64469.
It is an arithmetic number, because the mean of its divisors is an integer number (8736504).
Almost surely, 2111102212 is an apocalyptic number.
It is an amenable number.
111102212 is a deficient number, since it is larger than the sum of its proper divisors (98573884).
111102212 is a wasteful number, since it uses less digits than its factorization.
111102212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2987 (or 2985 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 111102212 is about 10540.5034035382. The cubic root of 111102212 is about 480.7370216873.
Adding to 111102212 its reverse (212201111), we get a palindrome (323303323).
The spelling of 111102212 in words is "one hundred eleven million, one hundred two thousand, two hundred twelve".
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