Base | Representation |
---|---|
bin | 1000001100110011… |
… | …1101010101000110 |
3 | 12200101222011111220 |
4 | 2003030331111012 |
5 | 14002002242410 |
6 | 1002231341210 |
7 | 105355665240 |
oct | 20314752506 |
9 | 5611864456 |
10 | 2201212230 |
11 | a2a588368 |
12 | 515221806 |
13 | 291067359 |
14 | 16c4b5090 |
15 | cd3ab070 |
hex | 8333d546 |
2201212230 has 64 divisors (see below), whose sum is σ = 6245821440. Its totient is φ = 485783424.
The previous prime is 2201212151. The next prime is 2201212231. The reversal of 2201212230 is 322121022.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2201212231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174634 + ... + 186813.
It is an arithmetic number, because the mean of its divisors is an integer number (97590960).
Almost surely, 22201212230 is an apocalyptic number.
2201212230 is an abundant number, since it is smaller than the sum of its proper divisors (4044609210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2201212230 is a wasteful number, since it uses less digits than its factorization.
2201212230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361493.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2201212230 is about 46917.0782338372. The cubic root of 2201212230 is about 1300.8302841967.
Adding to 2201212230 its reverse (322121022), we get a palindrome (2523333252).
The spelling of 2201212230 in words is "two billion, two hundred one million, two hundred twelve thousand, two hundred thirty".
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