Base | Representation |
---|---|
bin | 1111111010000011… |
… | …00001100010110101 |
3 | 211001011112002001100 |
4 | 13331001201202311 |
5 | 114442220034420 |
6 | 3531225520313 |
7 | 421425552300 |
oct | 77501414265 |
9 | 24034462040 |
10 | 8540002485 |
11 | 36926772a3 |
12 | 17a4043099 |
13 | a61392c11 |
14 | 5b02b3b37 |
15 | 34eb16190 |
hex | 1fd0618b5 |
8540002485 has 72 divisors (see below), whose sum is σ = 18125808480. Its totient is φ = 3698509248.
The previous prime is 8540002483. The next prime is 8540002553. The reversal of 8540002485 is 5842000458.
8540002485 is a `hidden beast` number, since 8 + 5 + 400 + 0 + 248 + 5 = 666.
It is not a de Polignac number, because 8540002485 - 21 = 8540002483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8540002483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 60027 + ... + 143816.
It is an arithmetic number, because the mean of its divisors is an integer number (251747340).
Almost surely, 28540002485 is an apocalyptic number.
It is an amenable number.
8540002485 is an abundant number, since it is smaller than the sum of its proper divisors (9585805995).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8540002485 is a wasteful number, since it uses less digits than its factorization.
8540002485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203887 (or 203877 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 36.
The square root of 8540002485 is about 92412.1338623884. The cubic root of 8540002485 is about 2044.0240387803.
The spelling of 8540002485 in words is "eight billion, five hundred forty million, two thousand, four hundred eighty-five".
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