Base | Representation |
---|---|
bin | 1100011001111110011… |
… | …0101111010100000001 |
3 | 202101010110211012122202 |
4 | 3012133212233110001 |
5 | 11442443032130423 |
6 | 241524443442545 |
7 | 21253405500116 |
oct | 3063746572401 |
9 | 671113735582 |
10 | 213131130113 |
11 | 8242aa6a650 |
12 | 35381226455 |
13 | 17137913b55 |
14 | a45c02290d |
15 | 5826179728 |
hex | 319f9af501 |
213131130113 has 8 divisors (see below), whose sum is σ = 235781430336. Its totient is φ = 191026620400.
The previous prime is 213131130097. The next prime is 213131130167. The reversal of 213131130113 is 311031131312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 213131130113 - 24 = 213131130097 is a prime.
It is not an unprimeable number, because it can be changed into a prime (213131130013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136446806 + ... + 136448367.
It is an arithmetic number, because the mean of its divisors is an integer number (29472678792).
Almost surely, 2213131130113 is an apocalyptic number.
It is an amenable number.
213131130113 is a deficient number, since it is larger than the sum of its proper divisors (22650300223).
213131130113 is a wasteful number, since it uses less digits than its factorization.
213131130113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 272895255.
The product of its (nonzero) digits is 162, while the sum is 20.
Adding to 213131130113 its reverse (311031131312), we get a palindrome (524162261425).
The spelling of 213131130113 in words is "two hundred thirteen billion, one hundred thirty-one million, one hundred thirty thousand, one hundred thirteen".
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