Base | Representation |
---|---|
bin | 100000010101100001010… |
… | …001010001101110001101 |
3 | 21212102201001122120112022 |
4 | 200111201101101232031 |
5 | 242401410240323041 |
6 | 4420455450015525 |
7 | 316354311305444 |
oct | 40254121215615 |
9 | 7772631576468 |
10 | 2222130011021 |
11 | 787444507898 |
12 | 2ba7b6a175a5 |
13 | 13171362600b |
14 | 797a1ab5d5b |
15 | 3cc091b224b |
hex | 20561451b8d |
2222130011021 has 4 divisors (see below), whose sum is σ = 2222133299100. Its totient is φ = 2222126722944.
The previous prime is 2222130011009. The next prime is 2222130011041. The reversal of 2222130011021 is 1201100312222.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2183168778025 + 38961232996 = 1477555^2 + 197386^2 .
It is a cyclic number.
It is not a de Polignac number, because 2222130011021 - 222 = 2222125816717 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222130011041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218006 + ... + 2119383.
It is an arithmetic number, because the mean of its divisors is an integer number (555533324775).
Almost surely, 22222130011021 is an apocalyptic number.
It is an amenable number.
2222130011021 is a deficient number, since it is larger than the sum of its proper divisors (3288079).
2222130011021 is an equidigital number, since it uses as much as digits as its factorization.
2222130011021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3288078.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 2222130011021 its reverse (1201100312222), we get a palindrome (3423230323243).
The spelling of 2222130011021 in words is "two trillion, two hundred twenty-two billion, one hundred thirty million, eleven thousand, twenty-one".
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