Base | Representation |
---|---|
bin | 111011111111111… |
… | …0101010101001100 |
3 | 12012022020021200221 |
4 | 1313333311111030 |
5 | 13110341102340 |
6 | 531434201124 |
7 | 100614051352 |
oct | 16777652514 |
9 | 5168207627 |
10 | 2013222220 |
11 | 943458719 |
12 | 4822831a4 |
13 | 261126769 |
14 | 15153b7d2 |
15 | bbb2544a |
hex | 77ff554c |
2013222220 has 12 divisors (see below), whose sum is σ = 4227766704. Its totient is φ = 805288880.
The previous prime is 2013222199. The next prime is 2013222247. The reversal of 2013222220 is 222223102.
It is a junction number, because it is equal to n+sod(n) for n = 2013222194 and 2013222203.
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, 50330536 + ... + 50330575.
It is an arithmetic number, because the mean of its divisors is an integer number (352313892).
Almost surely, 22013222220 is an apocalyptic number.
2013222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2013222220 is an abundant number, since it is smaller than the sum of its proper divisors (2214544484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2013222220 is a wasteful number, since it uses less digits than its factorization.
2013222220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100661120 (or 100661118 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 2013222220 is about 44868.9449396796. The cubic root of 2013222220 is about 1262.6914459210.
Adding to 2013222220 its reverse (222223102), we get a palindrome (2235445322).
The spelling of 2013222220 in words is "two billion, thirteen million, two hundred twenty-two thousand, two hundred twenty".
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