Base | Representation |
---|---|
bin | 10000001011101100… |
… | …11111010101101101 |
3 | 211102111012110020202 |
4 | 20011312133111231 |
5 | 120243123323223 |
6 | 3554040123245 |
7 | 425204446433 |
oct | 100566372555 |
9 | 24374173222 |
10 | 8688104813 |
11 | 3759232813 |
12 | 1825766525 |
13 | a85c7912b |
14 | 5c5c26d53 |
15 | 35cb1d428 |
hex | 205d9f56d |
8688104813 has 8 divisors (see below), whose sum is σ = 9215347320. Its totient is φ = 8162659840.
The previous prime is 8688104773. The next prime is 8688104819. The reversal of 8688104813 is 3184018868.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 918211204 + 7769893609 = 30302^2 + 88147^2 .
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 8688104813 - 214 = 8688088429 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8688104819) 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 7 ways as a sum of consecutive naturals, for example, 439418 + ... + 458763.
It is an arithmetic number, because the mean of its divisors is an integer number (1151918415).
Almost surely, 28688104813 is an apocalyptic number.
It is an amenable number.
8688104813 is a deficient number, since it is larger than the sum of its proper divisors (527242507).
8688104813 is a wasteful number, since it uses less digits than its factorization.
8688104813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 898767.
The product of its (nonzero) digits is 294912, while the sum is 47.
The square root of 8688104813 is about 93210.0038246968. The cubic root of 8688104813 is about 2055.7723342167.
The spelling of 8688104813 in words is "eight billion, six hundred eighty-eight million, one hundred four thousand, eight hundred thirteen".
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