Base | Representation |
---|---|
bin | 1100011010010001111… |
… | …1100011100110011011 |
3 | 202101100012010101202112 |
4 | 3012210133203212123 |
5 | 11443130030230321 |
6 | 241540533222535 |
7 | 21255422505161 |
oct | 3064437434633 |
9 | 671305111675 |
10 | 213213133211 |
11 | 82472289801 |
12 | 353a4791a4b |
13 | 1714b8c5bb0 |
14 | a468c8b231 |
15 | 582d476a5b |
hex | 31a47e399b |
213213133211 has 8 divisors (see below), whose sum is σ = 229674258240. Its totient is φ = 196760596032.
The previous prime is 213213133201. The next prime is 213213133229. The reversal of 213213133211 is 112331312312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 213213133211 - 226 = 213146024347 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (213213133201) 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, 2095346 + ... + 2194743.
It is an arithmetic number, because the mean of its divisors is an integer number (28709282280).
Almost surely, 2213213133211 is an apocalyptic number.
213213133211 is a deficient number, since it is larger than the sum of its proper divisors (16461125029).
213213133211 is a wasteful number, since it uses less digits than its factorization.
213213133211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4293925.
The product of its digits is 648, while the sum is 23.
Adding to 213213133211 its reverse (112331312312), we get a palindrome (325544445523).
The spelling of 213213133211 in words is "two hundred thirteen billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred eleven".
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