Base | Representation |
---|---|
bin | 1110111111100111… |
… | …10011100001000011 |
3 | 202210000020121022112 |
4 | 13133303303201003 |
5 | 112441231214234 |
6 | 3410440325535 |
7 | 403324511321 |
oct | 73763634103 |
9 | 22700217275 |
10 | 8049866819 |
11 | 3460a380a5 |
12 | 1687a738ab |
13 | 9b3982a07 |
14 | 565168d11 |
15 | 321a9aace |
hex | 1dfcf3843 |
8049866819 has 8 divisors (see below), whose sum is σ = 8486735040. Its totient is φ = 7614317736.
The previous prime is 8049866753. The next prime is 8049866827. The reversal of 8049866819 is 9186689408.
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 8049866819 - 28 = 8049866563 is a prime.
It is a super-4 number, since 4×80498668194 (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8049868819) 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, 317237 + ... + 341670.
It is an arithmetic number, because the mean of its divisors is an integer number (1060841880).
Almost surely, 28049866819 is an apocalyptic number.
8049866819 is a deficient number, since it is larger than the sum of its proper divisors (436868221).
8049866819 is a wasteful number, since it uses less digits than its factorization.
8049866819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 659569.
The product of its (nonzero) digits is 5971968, while the sum is 59.
The square root of 8049866819 is about 89721.0500328658. The cubic root of 8049866819 is about 2004.1469636532.
The spelling of 8049866819 in words is "eight billion, forty-nine million, eight hundred sixty-six thousand, eight hundred nineteen".
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