Base | Representation |
---|---|
bin | 1000001111101001… |
… | …0110010110101011 |
3 | 12201020100200211220 |
4 | 2003322112112223 |
5 | 14013024024321 |
6 | 1003334353123 |
7 | 105562064163 |
oct | 20372262653 |
9 | 5636320756 |
10 | 2213111211 |
11 | a36275233 |
12 | 5191bb7a3 |
13 | 29367237c |
14 | 16dcd15a3 |
15 | ce45b9c6 |
hex | 83e965ab |
2213111211 has 8 divisors (see below), whose sum is σ = 2951032320. Its totient is φ = 1475298792.
The previous prime is 2213111209. The next prime is 2213111213. The reversal of 2213111211 is 1121113122.
It is an interprime number because it is at equal distance from previous prime (2213111209) and next prime (2213111213).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2213111211 - 21 = 2213111209 is a prime.
It is a super-2 number, since 2×22131112112 = 9795722464507773042, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2213111213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65310 + ... + 93228.
It is an arithmetic number, because the mean of its divisors is an integer number (368879040).
Almost surely, 22213111211 is an apocalyptic number.
2213111211 is a deficient number, since it is larger than the sum of its proper divisors (737921109).
2213111211 is a wasteful number, since it uses less digits than its factorization.
2213111211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54345.
The product of its digits is 24, while the sum is 15.
The square root of 2213111211 is about 47043.7159565441. The cubic root of 2213111211 is about 1303.1700173580.
Adding to 2213111211 its reverse (1121113122), we get a palindrome (3334224333).
The spelling of 2213111211 in words is "two billion, two hundred thirteen million, one hundred eleven thousand, two hundred eleven".
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