Base | Representation |
---|---|
bin | 1111110011110101… |
… | …01001100110001100 |
3 | 210220112102102002120 |
4 | 13321322221212030 |
5 | 114340343300222 |
6 | 3522124252540 |
7 | 420223460133 |
oct | 77172514614 |
9 | 23815372076 |
10 | 8487868812 |
11 | 36661a9515 |
12 | 178a6a1150 |
13 | a5363b5a7 |
14 | 5a73c291a |
15 | 34a26915c |
hex | 1f9ea998c |
8487868812 has 12 divisors (see below), whose sum is σ = 19805027256. Its totient is φ = 2829289600.
The previous prime is 8487868811. The next prime is 8487868813. The reversal of 8487868812 is 2188687848.
It is an interprime number because it is at equal distance from previous prime (8487868811) and next prime (8487868813).
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (8487868811) 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 3 ways as a sum of consecutive naturals, for example, 353661189 + ... + 353661212.
It is an arithmetic number, because the mean of its divisors is an integer number (1650418938).
Almost surely, 28487868812 is an apocalyptic number.
It is an amenable number.
8487868812 is an abundant number, since it is smaller than the sum of its proper divisors (11317158444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8487868812 is a wasteful number, since it uses less digits than its factorization.
8487868812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 707322408 (or 707322406 counting only the distinct ones).
The product of its digits is 11010048, while the sum is 60.
The square root of 8487868812 is about 92129.6304779304. The cubic root of 8487868812 is about 2039.8561999752.
The spelling of 8487868812 in words is "eight billion, four hundred eighty-seven million, eight hundred sixty-eight thousand, eight hundred twelve".
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