Base | Representation |
---|---|
bin | 1100011010010110010… |
… | …0011110100001001010 |
3 | 202101101110010022012002 |
4 | 3012211210132201022 |
5 | 11443144141402310 |
6 | 241542420351002 |
7 | 21256032204041 |
oct | 3064544364112 |
9 | 671343108162 |
10 | 213231200330 |
11 | 824814a9905 |
12 | 353aa845462 |
13 | 171525805b5 |
14 | a46b431558 |
15 | 582ed44da5 |
hex | 31a591e84a |
213231200330 has 16 divisors (see below), whose sum is σ = 385936695144. Its totient is φ = 84821250240.
The previous prime is 213231200321. The next prime is 213231200333. The reversal of 213231200330 is 33002132312.
It can be written as a sum of positive squares in 4 ways, for example, as 148512349129 + 64718851201 = 385373^2 + 254399^2 .
It is not an unprimeable number, because it can be changed into a prime (213231200333) 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, 58901837 + ... + 58905456.
Almost surely, 2213231200330 is an apocalyptic number.
213231200330 is a deficient number, since it is larger than the sum of its proper divisors (172705494814).
213231200330 is a wasteful number, since it uses less digits than its factorization.
213231200330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117807481.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 213231200330 its reverse (33002132312), we get a palindrome (246233332642).
The spelling of 213231200330 in words is "two hundred thirteen billion, two hundred thirty-one million, two hundred thousand, three hundred thirty".
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