Base | Representation |
---|---|
bin | 10010000100010… |
… | …110100111101000 |
3 | 210010101122201020 |
4 | 102010112213220 |
5 | 1110100143422 |
6 | 50025052440 |
7 | 10340400114 |
oct | 2204264750 |
9 | 703348636 |
10 | 303131112 |
11 | 146122989 |
12 | 85627120 |
13 | 4aa5602b |
14 | 2c38a744 |
15 | 1b92b95c |
hex | 121169e8 |
303131112 has 16 divisors (see below), whose sum is σ = 757827840. Its totient is φ = 101043696.
The previous prime is 303131083. The next prime is 303131117. The reversal of 303131112 is 211131303.
It is a junction number, because it is equal to n+sod(n) for n = 303131091 and 303131100.
It is not an unprimeable number, because it can be changed into a prime (303131117) 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, 6315208 + ... + 6315255.
It is an arithmetic number, because the mean of its divisors is an integer number (47364240).
Almost surely, 2303131112 is an apocalyptic number.
It is an amenable number.
303131112 is an abundant number, since it is smaller than the sum of its proper divisors (454696728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
303131112 is a wasteful number, since it uses less digits than its factorization.
303131112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12630472 (or 12630468 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 303131112 is about 17410.6608720060. The cubic root of 303131112 is about 671.7538603937.
Adding to 303131112 its reverse (211131303), we get a palindrome (514262415).
It can be divided in two parts, 3031 and 31112, that added together give a palindrome (34143).
The spelling of 303131112 in words is "three hundred three million, one hundred thirty-one thousand, one hundred twelve".
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