Base | Representation |
---|---|
bin | 1100011010010100000… |
… | …1011011100001010101 |
3 | 202101100210211112120002 |
4 | 3012211001123201111 |
5 | 11443134313404023 |
6 | 241541451421045 |
7 | 21255561130622 |
oct | 3064501334125 |
9 | 671323745502 |
10 | 213222013013 |
11 | 824772a4289 |
12 | 353a7754785 |
13 | 171506b4909 |
14 | a46a11d349 |
15 | 582e12cb28 |
hex | 31a505b855 |
213222013013 has 8 divisors (see below), whose sum is σ = 215265461400. Its totient is φ = 211180151808.
The previous prime is 213222012977. The next prime is 213222013019. The reversal of 213222013013 is 310310222312.
It can be written as a sum of positive squares in 4 ways, for example, as 113300906404 + 99921106609 = 336602^2 + 316103^2 .
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 213222013013 - 224 = 213205235797 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 (213222013019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125948 + ... + 665061.
It is an arithmetic number, because the mean of its divisors is an integer number (26908182675).
Almost surely, 2213222013013 is an apocalyptic number.
It is an amenable number.
213222013013 is a deficient number, since it is larger than the sum of its proper divisors (2043448387).
213222013013 is a wasteful number, since it uses less digits than its factorization.
213222013013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 793591.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 213222013013 its reverse (310310222312), we get a palindrome (523532235325).
The spelling of 213222013013 in words is "two hundred thirteen billion, two hundred twenty-two million, thirteen thousand, thirteen".
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