Base | Representation |
---|---|
bin | 100000010101011010110… |
… | …010010001101101101110 |
3 | 21212102102110221110222210 |
4 | 200111122302101231232 |
5 | 242401144413034410 |
6 | 4420441002151250 |
7 | 316351520514156 |
oct | 40253262215556 |
9 | 7772373843883 |
10 | 2222021221230 |
11 | 787399062478 |
12 | 2ba7864b2526 |
13 | 1316c6c25765 |
14 | 79791477766 |
15 | 3cbee873220 |
hex | 2055ac91b6e |
2222021221230 has 64 divisors (see below), whose sum is σ = 5355192019968. Its totient is φ = 590059303680.
The previous prime is 2222021221201. The next prime is 2222021221261. The reversal of 2222021221230 is 321221202222.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2222021221197 and 2222021221206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13464999 + ... + 13629021.
It is an arithmetic number, because the mean of its divisors is an integer number (83674875312).
Almost surely, 22222021221230 is an apocalyptic number.
2222021221230 is an abundant number, since it is smaller than the sum of its proper divisors (3133170798738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222021221230 is a wasteful number, since it uses less digits than its factorization.
2222021221230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165921.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 2222021221230 its reverse (321221202222), we get a palindrome (2543242423452).
The spelling of 2222021221230 in words is "two trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty-one thousand, two hundred thirty".
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