Base | Representation |
---|---|
bin | 100000010100100101001… |
… | …111110110001101011110 |
3 | 21212100002212210021112110 |
4 | 200110211033312031132 |
5 | 242342324442100410 |
6 | 4420211514214450 |
7 | 316320333006615 |
oct | 40244517661536 |
9 | 7770085707473 |
10 | 2221123003230 |
11 | 786a78037a4a |
12 | 2ba575724426 |
13 | 1315b2b04211 |
14 | 7970806287c |
15 | 3cb9aa99720 |
hex | 205253f635e |
2221123003230 has 64 divisors (see below), whose sum is σ = 5415545199168. Its totient is φ = 582907207680.
The previous prime is 2221123003201. The next prime is 2221123003237. The reversal of 2221123003230 is 323003211222.
It is a happy number.
2221123003230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 2221123003197 and 2221123003206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221123003237) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108811 + ... + 2110470.
It is an arithmetic number, because the mean of its divisors is an integer number (84617893737).
Almost surely, 22221123003230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2221123003230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2707772599584).
2221123003230 is an abundant number, since it is smaller than the sum of its proper divisors (3194422195938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221123003230 is a wasteful number, since it uses less digits than its factorization.
2221123003230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2219821.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 2221123003230 its reverse (323003211222), we get a palindrome (2544126214452).
The spelling of 2221123003230 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-three million, three thousand, two hundred thirty".
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