Base | Representation |
---|---|
bin | 111011111111111… |
… | …0101110100011100 |
3 | 12012022020101110000 |
4 | 1313333311310130 |
5 | 13110341133340 |
6 | 531434214300 |
7 | 100614060240 |
oct | 16777656434 |
9 | 5168211400 |
10 | 2013224220 |
11 | 94345a177 |
12 | 482284390 |
13 | 261127647 |
14 | 15153c420 |
15 | bbb25d30 |
hex | 77ff5d1c |
2013224220 has 120 divisors (see below), whose sum is σ = 7217822304. Its totient is φ = 460162944.
The previous prime is 2013224209. The next prime is 2013224221. The reversal of 2013224220 is 224223102.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2013224193 and 2013224202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2013224221) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 77427 + ... + 100106.
Almost surely, 22013224220 is an apocalyptic number.
2013224220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2013224220 is an abundant number, since it is smaller than the sum of its proper divisors (5204598084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2013224220 is a wasteful number, since it uses less digits than its factorization.
2013224220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177561 (or 177550 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 2013224220 is about 44868.9672268039. The cubic root of 2013224220 is about 1262.6918640537.
Adding to 2013224220 its reverse (224223102), we get a palindrome (2237447322).
The spelling of 2013224220 in words is "two billion, thirteen million, two hundred twenty-four thousand, two hundred twenty".
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