Base | Representation |
---|---|
bin | 1000100111111100… |
… | …0100011111001101 |
3 | 12222100002210111212 |
4 | 2021333010133031 |
5 | 14220120341140 |
6 | 1021414424205 |
7 | 111240164153 |
oct | 21177043715 |
9 | 5870083455 |
10 | 2315012045 |
11 | a888448a5 |
12 | 547362065 |
13 | 2ab800118 |
14 | 17d6593d3 |
15 | d8389765 |
hex | 89fc47cd |
2315012045 has 8 divisors (see below), whose sum is σ = 2787497496. Its totient is φ = 1845687616.
The previous prime is 2315012039. The next prime is 2315012047. The reversal of 2315012045 is 5402105132.
It can be written as a sum of positive squares in 4 ways, for example, as 153412996 + 2161599049 = 12386^2 + 46493^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2315012045 - 26 = 2315011981 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2315012045.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2315012047) 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, 788642 + ... + 791571.
It is an arithmetic number, because the mean of its divisors is an integer number (348437187).
Almost surely, 22315012045 is an apocalyptic number.
It is an amenable number.
2315012045 is a deficient number, since it is larger than the sum of its proper divisors (472485451).
2315012045 is a wasteful number, since it uses less digits than its factorization.
2315012045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1580511.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 2315012045 is about 48114.5720650200. The cubic root of 2315012045 is about 1322.8717789149.
Adding to 2315012045 its reverse (5402105132), we get a palindrome (7717117177).
The spelling of 2315012045 in words is "two billion, three hundred fifteen million, twelve thousand, forty-five".
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