Base | Representation |
---|---|
bin | 101010110001… |
… | …010011101100 |
3 | 210002121222201 |
4 | 222301103230 |
5 | 10332241022 |
6 | 1040151244 |
7 | 164205040 |
oct | 52612354 |
9 | 23077881 |
10 | 11212012 |
11 | 6368829 |
12 | 3908524 |
13 | 2427436 |
14 | 16bc020 |
15 | eb7127 |
hex | ab14ec |
11212012 has 12 divisors (see below), whose sum is σ = 22424080. Its totient is φ = 4805136.
The previous prime is 11212001. The next prime is 11212013. The reversal of 11212012 is 21021211.
11212012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
11212012 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 11212012.
It is not an unprimeable number, because it can be changed into a prime (11212013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200187 + ... + 200242.
Almost surely, 211212012 is an apocalyptic number.
It is an amenable number.
11212012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11212012 is a wasteful number, since it uses less digits than its factorization.
11212012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400440 (or 400438 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 11212012 is about 3348.4342609644. The cubic root of 11212012 is about 223.8177460976.
Adding to 11212012 its reverse (21021211), we get a palindrome (32233223).
The spelling of 11212012 in words is "eleven million, two hundred twelve thousand, twelve".
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