Base | Representation |
---|---|
bin | 100000010100110001100… |
… | …110001111111001100101 |
3 | 21212100122022200002002212 |
4 | 200110301212033321211 |
5 | 242343241012432323 |
6 | 4420244235213205 |
7 | 316325430116363 |
oct | 40246146177145 |
9 | 7770568602085 |
10 | 2221330202213 |
11 | 787073a97681 |
12 | 2ba612ba7205 |
13 | 131616a0c175 |
14 | 7972779a633 |
15 | 3cbadd76b78 |
hex | 2053198fe65 |
2221330202213 has 8 divisors (see below), whose sum is σ = 2252063525400. Its totient is φ = 2190725202688.
The previous prime is 2221330202197. The next prime is 2221330202219. The reversal of 2221330202213 is 3122020331222.
It can be written as a sum of positive squares in 4 ways, for example, as 172086417889 + 2049243784324 = 414833^2 + 1431518^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2221330202213 - 24 = 2221330202197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221330202219) 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, 32046056 + ... + 32115297.
It is an arithmetic number, because the mean of its divisors is an integer number (281507940675).
Almost surely, 22221330202213 is an apocalyptic number.
It is an amenable number.
2221330202213 is a deficient number, since it is larger than the sum of its proper divisors (30733323187).
2221330202213 is an equidigital number, since it uses as much as digits as its factorization.
2221330202213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64161831.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 2221330202213 its reverse (3122020331222), we get a palindrome (5343350533435).
The spelling of 2221330202213 in words is "two trillion, two hundred twenty-one billion, three hundred thirty million, two hundred two thousand, two hundred thirteen".
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