Base | Representation |
---|---|
bin | 1111010000111000… |
… | …10101010101000101 |
3 | 210011002210100011112 |
4 | 13220130111111011 |
5 | 113240321140210 |
6 | 3433053014405 |
7 | 410033606213 |
oct | 75034252505 |
9 | 23132710145 |
10 | 8194708805 |
11 | 3525777018 |
12 | 1708484405 |
13 | a07996c2a |
14 | 57a4adcb3 |
15 | 32e65bd05 |
hex | 1e8715545 |
8194708805 has 8 divisors (see below), whose sum is σ = 9968358552. Its totient is φ = 6465961728.
The previous prime is 8194708793. The next prime is 8194708859. The reversal of 8194708805 is 5088074918.
It can be written as a sum of positive squares in 4 ways, for example, as 1251319876 + 6943388929 = 35374^2 + 83327^2 .
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 8194708805 - 28 = 8194708549 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11225264 + ... + 11225993.
It is an arithmetic number, because the mean of its divisors is an integer number (1246044819).
Almost surely, 28194708805 is an apocalyptic number.
It is an amenable number.
8194708805 is a deficient number, since it is larger than the sum of its proper divisors (1773649747).
8194708805 is a wasteful number, since it uses less digits than its factorization.
8194708805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22451335.
The product of its (nonzero) digits is 645120, while the sum is 50.
The square root of 8194708805 is about 90524.6309299298. The cubic root of 8194708805 is about 2016.0958480828.
The spelling of 8194708805 in words is "eight billion, one hundred ninety-four million, seven hundred eight thousand, eight hundred five".
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