Base | Representation |
---|---|
bin | 1001000101011110… |
… | …0100001110100011 |
3 | 20021222011122012101 |
4 | 2101113210032203 |
5 | 14443322432034 |
6 | 1042001311231 |
7 | 114303041611 |
oct | 22127441643 |
9 | 6258148171 |
10 | 2438874019 |
11 | 104175416a |
12 | 580935517 |
13 | 2cb379b2a |
14 | 191c9c6b1 |
15 | e41a4514 |
hex | 915e43a3 |
2438874019 has 4 divisors (see below), whose sum is σ = 2461249120. Its totient is φ = 2416498920.
The previous prime is 2438874013. The next prime is 2438874049. The reversal of 2438874019 is 9104788342.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2438874019 - 27 = 2438873891 is a prime.
It is a super-2 number, since 2×24388740192 = 11896212961106424722, which contains 22 as substring.
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 2438874019.
It is not an unprimeable number, because it can be changed into a prime (2438874013) 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, 11187387 + ... + 11187604.
It is an arithmetic number, because the mean of its divisors is an integer number (615312280).
Almost surely, 22438874019 is an apocalyptic number.
2438874019 is a deficient number, since it is larger than the sum of its proper divisors (22375101).
2438874019 is a wasteful number, since it uses less digits than its factorization.
2438874019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22375100.
The product of its (nonzero) digits is 387072, while the sum is 46.
The square root of 2438874019 is about 49384.9574162011. The cubic root of 2438874019 is about 1346.0559819797.
The spelling of 2438874019 in words is "two billion, four hundred thirty-eight million, eight hundred seventy-four thousand, nineteen".
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