Base | Representation |
---|---|
bin | 1110111010011111… |
… | …00100000110001111 |
3 | 202200000020012021100 |
4 | 13131033210012033 |
5 | 112344220441142 |
6 | 3402301434143 |
7 | 402262531233 |
oct | 73517440617 |
9 | 22600205240 |
10 | 8006812047 |
11 | 3439700443 |
12 | 167556b953 |
13 | 9a7a89910 |
14 | 55d55c5c3 |
15 | 31cde3b4c |
hex | 1dd3e418f |
8006812047 has 24 divisors (see below), whose sum is σ = 12495667184. Its totient is φ = 4911197184.
The previous prime is 8006812039. The next prime is 8006812063. The reversal of 8006812047 is 7402186008.
It is not a de Polignac number, because 8006812047 - 23 = 8006812039 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8006812007) 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 23 ways as a sum of consecutive naturals, for example, 75538 + ... + 147375.
Almost surely, 28006812047 is an apocalyptic number.
8006812047 is a deficient number, since it is larger than the sum of its proper divisors (4488855137).
8006812047 is a wasteful number, since it uses less digits than its factorization.
8006812047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223239 (or 223236 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 8006812047 is about 89480.7914973935. The cubic root of 8006812047 is about 2000.5675095346.
The spelling of 8006812047 in words is "eight billion, six million, eight hundred twelve thousand, forty-seven".
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