Base | Representation |
---|---|
bin | 1000010001010010… |
… | …1101000111110100 |
3 | 12201201100201012211 |
4 | 2010110231013310 |
5 | 14021311121322 |
6 | 1004142423204 |
7 | 106004601064 |
oct | 20424550764 |
9 | 5651321184 |
10 | 2220020212 |
11 | a3a164053 |
12 | 51b591b04 |
13 | 294c21037 |
14 | 170bad3a4 |
15 | ced73b77 |
hex | 8452d1f4 |
2220020212 has 12 divisors (see below), whose sum is σ = 3885388416. Its totient is φ = 1109909240.
The previous prime is 2220020197. The next prime is 2220020213. The reversal of 2220020212 is 2120200222.
It is a junction number, because it is equal to n+sod(n) for n = 2220020192 and 2220020201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220020213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47787 + ... + 81997.
It is an arithmetic number, because the mean of its divisors is an integer number (323782368).
Almost surely, 22220020212 is an apocalyptic number.
It is an amenable number.
2220020212 is a deficient number, since it is larger than the sum of its proper divisors (1665368204).
2220020212 is a wasteful number, since it uses less digits than its factorization.
2220020212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50438 (or 50436 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 2220020212 is about 47117.0904449755. The cubic root of 2220020212 is about 1304.5247090135.
Adding to 2220020212 its reverse (2120200222), we get a palindrome (4340220434).
The spelling of 2220020212 in words is "two billion, two hundred twenty million, twenty thousand, two hundred twelve".
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