Base | Representation |
---|---|
bin | 11001011010000… |
… | …10011011001010 |
3 | 112212001021111220 |
4 | 30231002123022 |
5 | 414030224002 |
6 | 33052102510 |
7 | 5165413005 |
oct | 1455023312 |
9 | 485037456 |
10 | 213133002 |
11 | aa342a85 |
12 | 5b464a36 |
13 | 35204c04 |
14 | 2044053c |
15 | 13aa07bc |
hex | cb426ca |
213133002 has 16 divisors (see below), whose sum is σ = 426420192. Its totient is φ = 71018640.
The previous prime is 213132991. The next prime is 213133003. The reversal of 213133002 is 200331312.
It is not an unprimeable number, because it can be changed into a prime (213133003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19752 + ... + 28572.
It is an arithmetic number, because the mean of its divisors is an integer number (26651262).
Almost surely, 2213133002 is an apocalyptic number.
213133002 is an abundant number, since it is smaller than the sum of its proper divisors (213287190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213133002 is a wasteful number, since it uses less digits than its factorization.
213133002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12853.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 213133002 is about 14599.0753816809. The cubic root of 213133002 is about 597.3335397594. Note that the first 3 decimals are identical.
Adding to 213133002 its reverse (200331312), we get a palindrome (413464314).
The spelling of 213133002 in words is "two hundred thirteen million, one hundred thirty-three thousand, two".
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