Base | Representation |
---|---|
bin | 101010110001… |
… | …000111010000 |
3 | 210002120220020 |
4 | 222301013100 |
5 | 10332224331 |
6 | 1040143440 |
7 | 164202522 |
oct | 52610720 |
9 | 23076806 |
10 | 11211216 |
11 | 6368175 |
12 | 3907b80 |
13 | 2426c73 |
14 | 16bba12 |
15 | eb6c96 |
hex | ab11d0 |
11211216 has 60 divisors (see below), whose sum is σ = 30614112. Its totient is φ = 3534912.
The previous prime is 11211209. The next prime is 11211217. The reversal of 11211216 is 61211211.
It is a happy number.
It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 11211195 and 11211204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11211217) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17005 + ... + 17651.
Almost surely, 211211216 is an apocalyptic number.
11211216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11211216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15307056).
11211216 is an abundant number, since it is smaller than the sum of its proper divisors (19402896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11211216 is a wasteful number, since it uses less digits than its factorization.
11211216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 696 (or 671 counting only the distinct ones).
The product of its digits is 24, while the sum is 15.
The square root of 11211216 is about 3348.3153973304. The cubic root of 11211216 is about 223.8124493039.
Adding to 11211216 its reverse (61211211), we get a palindrome (72422427).
The spelling of 11211216 in words is "eleven million, two hundred eleven thousand, two hundred sixteen".
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