Base | Representation |
---|---|
bin | 11001011011100… |
… | …11000010001111 |
3 | 112212102101122022 |
4 | 30231303002033 |
5 | 414103111421 |
6 | 33100240355 |
7 | 5200202336 |
oct | 1455630217 |
9 | 485371568 |
10 | 213332111 |
11 | aa469633 |
12 | 5b5400bb |
13 | 35274725 |
14 | 20492d1d |
15 | 13ade7ab |
hex | cb7308f |
213332111 has 8 divisors (see below), whose sum is σ = 220416000. Its totient is φ = 206260920.
The previous prime is 213332101. The next prime is 213332137. The reversal of 213332111 is 111233312.
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 213332111 - 226 = 146223247 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 213332111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213332101) 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, 40910 + ... + 45828.
It is an arithmetic number, because the mean of its divisors is an integer number (27552000).
Almost surely, 2213332111 is an apocalyptic number.
213332111 is a deficient number, since it is larger than the sum of its proper divisors (7083889).
213332111 is a wasteful number, since it uses less digits than its factorization.
213332111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6349.
The product of its digits is 108, while the sum is 17.
The square root of 213332111 is about 14605.8930230233. The cubic root of 213332111 is about 597.5194916699.
Adding to 213332111 its reverse (111233312), we get a palindrome (324565423).
The spelling of 213332111 in words is "two hundred thirteen million, three hundred thirty-two thousand, one hundred eleven".
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