Base | Representation |
---|---|
bin | 100001001001010… |
… | …1101010000011100 |
3 | 2212111210121212202 |
4 | 1002102231100130 |
5 | 4234210401340 |
6 | 302210151032 |
7 | 36363355145 |
oct | 10222552034 |
9 | 2774717782 |
10 | 1112200220 |
11 | 52089853a |
12 | 270582478 |
13 | 149562b51 |
14 | a79d6acc |
15 | 67995c15 |
hex | 424ad41c |
1112200220 has 12 divisors (see below), whose sum is σ = 2335620504. Its totient is φ = 444880080.
The previous prime is 1112200171. The next prime is 1112200253. The reversal of 1112200220 is 220022111.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27804986 + ... + 27805025.
It is an arithmetic number, because the mean of its divisors is an integer number (194635042).
Almost surely, 21112200220 is an apocalyptic number.
1112200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1112200220 is an abundant number, since it is smaller than the sum of its proper divisors (1223420284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1112200220 is a wasteful number, since it uses less digits than its factorization.
1112200220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55610020 (or 55610018 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 1112200220 is about 33349.6659653436. The cubic root of 1112200220 is about 1036.0824695956.
Adding to 1112200220 its reverse (220022111), we get a palindrome (1332222331).
The spelling of 1112200220 in words is "one billion, one hundred twelve million, two hundred thousand, two hundred twenty".
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