Base | Representation |
---|---|
bin | 1100111000011100011… |
… | …1001001111111110101 |
3 | 210011020111001120021110 |
4 | 3032013013021333311 |
5 | 12111220343212323 |
6 | 245400220105233 |
7 | 21663162041232 |
oct | 3160707117765 |
9 | 704214046243 |
10 | 221310132213 |
11 | 85947888a15 |
12 | 36a84395219 |
13 | 17b3c26b871 |
14 | a9d63a4789 |
15 | 5b54232793 |
hex | 33871c9ff5 |
221310132213 has 8 divisors (see below), whose sum is σ = 304598891776. Its totient is φ = 142780730400.
The previous prime is 221310132209. The next prime is 221310132271. The reversal of 221310132213 is 312231013122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 221310132213 - 22 = 221310132209 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 221310132213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221310132413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189839328 + ... + 1189839513.
It is an arithmetic number, because the mean of its divisors is an integer number (38074861472).
Almost surely, 2221310132213 is an apocalyptic number.
It is an amenable number.
221310132213 is a deficient number, since it is larger than the sum of its proper divisors (83288759563).
221310132213 is a wasteful number, since it uses less digits than its factorization.
221310132213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2379678875.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 221310132213 its reverse (312231013122), we get a palindrome (533541145335).
The spelling of 221310132213 in words is "two hundred twenty-one billion, three hundred ten million, one hundred thirty-two thousand, two hundred thirteen".
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