Base | Representation |
---|---|
bin | 1000001111101011… |
… | …0001101100110100 |
3 | 12201020120101111101 |
4 | 2003322301230310 |
5 | 14013041120340 |
6 | 1003341015444 |
7 | 105563041555 |
oct | 20372615464 |
9 | 5636511441 |
10 | 2213223220 |
11 | a363413aa |
12 | 519254584 |
13 | 2936b1350 |
14 | 16dd2032c |
15 | ce47ec9a |
hex | 83eb1b34 |
2213223220 has 48 divisors (see below), whose sum is σ = 5065643520. Its totient is φ = 807336576.
The previous prime is 2213223193. The next prime is 2213223239. The reversal of 2213223220 is 223223122.
2213223220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29700 + ... + 72859.
It is an arithmetic number, because the mean of its divisors is an integer number (105534240).
Almost surely, 22213223220 is an apocalyptic number.
2213223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2213223220 is an abundant number, since it is smaller than the sum of its proper divisors (2852420300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2213223220 is a wasteful number, since it uses less digits than its factorization.
2213223220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102664 (or 102662 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 2213223220 is about 47044.9064192926. The cubic root of 2213223220 is about 1303.1920021409.
Adding to 2213223220 its reverse (223223122), we get a palindrome (2436446342).
The spelling of 2213223220 in words is "two billion, two hundred thirteen million, two hundred twenty-three thousand, two hundred twenty".
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