Base | Representation |
---|---|
bin | 111110111101001… |
… | …0011010011110010 |
3 | 12110012220211122201 |
4 | 1331322103103302 |
5 | 13311240413232 |
6 | 545340453414 |
7 | 103230255625 |
oct | 17572232362 |
9 | 5405824581 |
10 | 2112435442 |
11 | 994462017 |
12 | 4ab54a26a |
13 | 278853100 |
14 | 1607a5dbc |
15 | c56c1be7 |
hex | 7de934f2 |
2112435442 has 12 divisors (see below), whose sum is σ = 3431145690. Its totient is φ = 974970048.
The previous prime is 2112435433. The next prime is 2112435443. The reversal of 2112435442 is 2445342112.
It can be written as a sum of positive squares in 3 ways, for example, as 1476941761 + 635493681 = 38431^2 + 25209^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 2112435442.
It is not an unprimeable number, because it can be changed into a prime (2112435443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3124567 + ... + 3125242.
Almost surely, 22112435442 is an apocalyptic number.
2112435442 is a deficient number, since it is larger than the sum of its proper divisors (1318710248).
2112435442 is a wasteful number, since it uses less digits than its factorization.
2112435442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6249837 (or 6249824 counting only the distinct ones).
The product of its digits is 7680, while the sum is 28.
The square root of 2112435442 is about 45961.2384733049. The cubic root of 2112435442 is about 1283.1019011389.
Adding to 2112435442 its reverse (2445342112), we get a palindrome (4557777554).
The spelling of 2112435442 in words is "two billion, one hundred twelve million, four hundred thirty-five thousand, four hundred forty-two".
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