Base | Representation |
---|---|
bin | 1000001100110010… |
… | …0010001110011100 |
3 | 12200101202112020010 |
4 | 2003030202032130 |
5 | 14001440214322 |
6 | 1002225123220 |
7 | 105355023462 |
oct | 20314421634 |
9 | 5611675203 |
10 | 2201101212 |
11 | a2a511a12 |
12 | 515189510 |
13 | 29102896b |
14 | 16c486832 |
15 | cd38820c |
hex | 8332239c |
2201101212 has 24 divisors (see below), whose sum is σ = 5141021200. Its totient is φ = 732969216.
The previous prime is 2201101139. The next prime is 2201101223. The reversal of 2201101212 is 2121011022.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78787 + ... + 103002.
Almost surely, 22201101212 is an apocalyptic number.
It is an amenable number.
2201101212 is an abundant number, since it is smaller than the sum of its proper divisors (2939919988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2201101212 is a wasteful number, since it uses less digits than its factorization.
2201101212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182805 (or 182803 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2201101212 is about 46915.8950889781. The cubic root of 2201101212 is about 1300.8084147313.
Adding to 2201101212 its reverse (2121011022), we get a palindrome (4322112234).
The spelling of 2201101212 in words is "two billion, two hundred one million, one hundred one thousand, two hundred twelve".
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