Base | Representation |
---|---|
bin | 1100011010001111001… |
… | …0100101011100100011 |
3 | 202101022100221110101212 |
4 | 3012203302211130203 |
5 | 11443114021004131 |
6 | 241535432420335 |
7 | 21255220345145 |
oct | 3064362453443 |
9 | 671270843355 |
10 | 213201344291 |
11 | 824666675a1 |
12 | 353a08476ab |
13 | 17149328cc0 |
14 | a46749cc95 |
15 | 582c3e8a2b |
hex | 31a3ca5723 |
213201344291 has 12 divisors (see below), whose sum is σ = 231993008352. Its totient is φ = 194772250368.
The previous prime is 213201344281. The next prime is 213201344309. The reversal of 213201344291 is 192443102312.
213201344291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 213201344291 - 214 = 213201327907 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (213201344281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 749195 + ... + 993828.
It is an arithmetic number, because the mean of its divisors is an integer number (19332750696).
Almost surely, 2213201344291 is an apocalyptic number.
213201344291 is a deficient number, since it is larger than the sum of its proper divisors (18791664061).
213201344291 is an equidigital number, since it uses as much as digits as its factorization.
213201344291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1743230 (or 1743133 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 32.
The spelling of 213201344291 in words is "two hundred thirteen billion, two hundred one million, three hundred forty-four thousand, two hundred ninety-one".
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