Base | Representation |
---|---|
bin | 1000000111101… |
… | …01000000011100 |
3 | 11202011110122221 |
4 | 10003311000130 |
5 | 114414044122 |
6 | 10431515124 |
7 | 1454642314 |
oct | 403650034 |
9 | 152143587 |
10 | 68112412 |
11 | 354a1955 |
12 | 1a988aa4 |
13 | 1115a604 |
14 | 9090444 |
15 | 5ea66c7 |
hex | 40f501c |
68112412 has 24 divisors (see below), whose sum is σ = 123817680. Its totient is φ = 32757120.
The previous prime is 68112391. The next prime is 68112413. The reversal of 68112412 is 21421186.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68112413) 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, 10587 + ... + 15757.
It is an arithmetic number, because the mean of its divisors is an integer number (5159070).
Almost surely, 268112412 is an apocalyptic number.
It is an amenable number.
68112412 is a deficient number, since it is larger than the sum of its proper divisors (55705268).
68112412 is a wasteful number, since it uses less digits than its factorization.
68112412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5301 (or 5299 counting only the distinct ones).
The product of its digits is 768, while the sum is 25.
The square root of 68112412 is about 8253.0244153280. The cubic root of 68112412 is about 408.3903015709.
Adding to 68112412 its reverse (21421186), we get a palindrome (89533598).
The spelling of 68112412 in words is "sixty-eight million, one hundred twelve thousand, four hundred twelve".
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