Base | Representation |
---|---|
bin | 1100011010010110010… |
… | …1010100011101110100 |
3 | 202101101110112112022011 |
4 | 3012211211110131310 |
5 | 11443144220440200 |
6 | 241542425214004 |
7 | 21256034114212 |
oct | 3064545243564 |
9 | 671343475264 |
10 | 213231421300 |
11 | 8248163a927 |
12 | 353aa931304 |
13 | 1715262a051 |
14 | a46b48bcb2 |
15 | 582ed8a5ba |
hex | 31a5954774 |
213231421300 has 36 divisors (see below), whose sum is σ = 462734545420. Its totient is φ = 85288446720.
The previous prime is 213231421267. The next prime is 213231421313. The reversal of 213231421300 is 3124132312.
213231421300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 19668379536 + 193563041764 = 140244^2 + 439958^2 .
It is a congruent number.
It is an unprimeable number.
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, 2829712 + ... + 2904088.
Almost surely, 2213231421300 is an apocalyptic number.
213231421300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213231421300 is an abundant number, since it is smaller than the sum of its proper divisors (249503124120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213231421300 is a wasteful number, since it uses less digits than its factorization.
213231421300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103060 (or 103053 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 213231421300 its reverse (3124132312), we get a palindrome (216355553612).
The spelling of 213231421300 in words is "two hundred thirteen billion, two hundred thirty-one million, four hundred twenty-one thousand, three hundred".
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