Base | Representation |
---|---|
bin | 100000010100101010000… |
… | …001011100010011111101 |
3 | 21212100022110112021202212 |
4 | 200110222001130103331 |
5 | 242343010444110323 |
6 | 4420223455230205 |
7 | 316322324641460 |
oct | 40245201342375 |
9 | 7770273467685 |
10 | 2221203113213 |
11 | 787009283847 |
12 | 2ba598518365 |
13 | 1315c65a2686 |
14 | 797149572d7 |
15 | 3cba2b20b78 |
hex | 2052a05c4fd |
2221203113213 has 8 divisors (see below), whose sum is σ = 2538891044928. Its totient is φ = 1903608481824.
The previous prime is 2221203113147. The next prime is 2221203113219. The reversal of 2221203113213 is 3123113021222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2221203113213 - 212 = 2221203109117 is a prime.
It is a super-3 number, since 3×22212031132133 (a number of 38 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221203113219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23274056 + ... + 23369297.
It is an arithmetic number, because the mean of its divisors is an integer number (317361380616).
Almost surely, 22221203113213 is an apocalyptic number.
It is an amenable number.
2221203113213 is a deficient number, since it is larger than the sum of its proper divisors (317687931715).
2221203113213 is an equidigital number, since it uses as much as digits as its factorization.
2221203113213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46650163.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 2221203113213 its reverse (3123113021222), we get a palindrome (5344316134435).
It can be divided in two parts, 222120 and 3113213, that added together give a palindrome (3335333).
The spelling of 2221203113213 in words is "two trillion, two hundred twenty-one billion, two hundred three million, one hundred thirteen thousand, two hundred thirteen".
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