Base | Representation |
---|---|
bin | 1100011001011111011… |
… | …1111110010011100011 |
3 | 202100210102202202212212 |
4 | 3012113313332103203 |
5 | 11442211331231433 |
6 | 241503531512335 |
7 | 21250242166310 |
oct | 3062767762343 |
9 | 670712682785 |
10 | 213001430243 |
11 | 82373833178 |
12 | 353458b86ab |
13 | 17116aa1b74 |
14 | a448addd07 |
15 | 5819aa9d48 |
hex | 3197dfe4e3 |
213001430243 has 8 divisors (see below), whose sum is σ = 243809977440. Its totient is φ = 182287825920.
The previous prime is 213001430183. The next prime is 213001430261. The reversal of 213001430243 is 342034100312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 213001430243 - 210 = 213001429219 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (213001430263) 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, 23730908 + ... + 23739881.
It is an arithmetic number, because the mean of its divisors is an integer number (30476247180).
Almost surely, 2213001430243 is an apocalyptic number.
213001430243 is a deficient number, since it is larger than the sum of its proper divisors (30808547197).
213001430243 is an equidigital number, since it uses as much as digits as its factorization.
213001430243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47471437.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 213001430243 its reverse (342034100312), we get a palindrome (555035530555).
The spelling of 213001430243 in words is "two hundred thirteen billion, one million, four hundred thirty thousand, two hundred forty-three".
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