Base | Representation |
---|---|
bin | 1000001111011101… |
… | …0011000010101010 |
3 | 12201011212001110020 |
4 | 2003313103002222 |
5 | 14012322424320 |
6 | 1003305301310 |
7 | 105552222624 |
oct | 20367230252 |
9 | 5634761406 |
10 | 2212311210 |
11 | a3587917a |
12 | 518a94836 |
13 | 2934521b5 |
14 | 16db63c14 |
15 | ce34e940 |
hex | 83dd30aa |
2212311210 has 64 divisors (see below), whose sum is σ = 5459940864. Its totient is φ = 573350400.
The previous prime is 2212311203. The next prime is 2212311229. The reversal of 2212311210 is 121132122.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 2212311210.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330012 + ... + 336648.
It is an arithmetic number, because the mean of its divisors is an integer number (85311576).
Almost surely, 22212311210 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2212311210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2729970432).
2212311210 is an abundant number, since it is smaller than the sum of its proper divisors (3247629654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212311210 is a wasteful number, since it uses less digits than its factorization.
2212311210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6959.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 2212311210 is about 47035.2124476971. The cubic root of 2212311210 is about 1303.0129740432.
Adding to 2212311210 its reverse (121132122), we get a palindrome (2333443332).
It can be divided in two parts, 22123 and 11210, that added together give a palindrome (33333).
The spelling of 2212311210 in words is "two billion, two hundred twelve million, three hundred eleven thousand, two hundred ten".
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