Base | Representation |
---|---|
bin | 100000000101110001111… |
… | …110000010101100011100 |
3 | 21210211002021212220222220 |
4 | 200011301332002230130 |
5 | 242112302424442340 |
6 | 4405022510505340 |
7 | 315215443242525 |
oct | 40056176025434 |
9 | 7724067786886 |
10 | 2205230312220 |
11 | 780262025a71 |
12 | 2b747b205250 |
13 | 12cc4c350540 |
14 | 78a3b46584c |
15 | 3c56a6eded0 |
hex | 20171f82b1c |
2205230312220 has 96 divisors (see below), whose sum is σ = 6651665610240. Its totient is φ = 542658735360.
The previous prime is 2205230312179. The next prime is 2205230312293. The reversal of 2205230312220 is 222130325022.
It is a happy number.
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, 2108265 + ... + 2975775.
It is an arithmetic number, because the mean of its divisors is an integer number (69288183440).
Almost surely, 22205230312220 is an apocalyptic number.
2205230312220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2205230312220 is an abundant number, since it is smaller than the sum of its proper divisors (4446435298020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2205230312220 is a wasteful number, since it uses less digits than its factorization.
2205230312220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 870795 (or 870793 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 24.
Adding to 2205230312220 its reverse (222130325022), we get a palindrome (2427360637242).
The spelling of 2205230312220 in words is "two trillion, two hundred five billion, two hundred thirty million, three hundred twelve thousand, two hundred twenty".
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