Base | Representation |
---|---|
bin | 100000010011100011100… |
… | …001000001101000101101 |
3 | 21212020021000200120220221 |
4 | 200103203201001220231 |
5 | 242333100133211341 |
6 | 4415510241411341 |
7 | 316251112301632 |
oct | 40234341015055 |
9 | 7766230616827 |
10 | 2220020210221 |
11 | 786561595270 |
12 | 2ba308339b51 |
13 | 1314684b6188 |
14 | 796417d8189 |
15 | 3cb33d60ed1 |
hex | 204e3841a2d |
2220020210221 has 16 divisors (see below), whose sum is σ = 2574546177600. Its totient is φ = 1893048624000.
The previous prime is 2220020210209. The next prime is 2220020210281. The reversal of 2220020210221 is 1220120200222.
It is a cyclic number.
It is not a de Polignac number, because 2220020210221 - 211 = 2220020208173 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2220020210195 and 2220020210204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220020210281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52563576 + ... + 52605793.
It is an arithmetic number, because the mean of its divisors is an integer number (160909136100).
Almost surely, 22220020210221 is an apocalyptic number.
It is an amenable number.
2220020210221 is a deficient number, since it is larger than the sum of its proper divisors (354525967379).
2220020210221 is a wasteful number, since it uses less digits than its factorization.
2220020210221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105169500.
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 2220020210221 its reverse (1220120200222), we get a palindrome (3440140410443).
Subtracting from 2220020210221 its reverse (1220120200222), we obtain a palindrome (999900009999).
The spelling of 2220020210221 in words is "two trillion, two hundred twenty billion, twenty million, two hundred ten thousand, two hundred twenty-one".
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