Base | Representation |
---|---|
bin | 1110111110101010… |
… | …00010101101000000 |
3 | 202202110001220020021 |
4 | 13133111002231000 |
5 | 112432200140220 |
6 | 3405551423224 |
7 | 403166123341 |
oct | 73725025500 |
9 | 22673056207 |
10 | 8041802560 |
11 | 345742a320 |
12 | 1685224b14 |
13 | 9b20bb26c |
14 | 56406a0c8 |
15 | 3210064aa |
hex | 1df542b40 |
8041802560 has 112 divisors (see below), whose sum is σ = 21056071680. Its totient is φ = 2901104640.
The previous prime is 8041802543. The next prime is 8041802563. The reversal of 8041802560 is 652081408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8041802563) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438046 + ... + 456034.
It is an arithmetic number, because the mean of its divisors is an integer number (188000640).
Almost surely, 28041802560 is an apocalyptic number.
8041802560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8041802560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10528035840).
8041802560 is an abundant number, since it is smaller than the sum of its proper divisors (13014269120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8041802560 is a wasteful number, since it uses less digits than its factorization.
8041802560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18144 (or 18134 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 34.
The square root of 8041802560 is about 89676.0980417859. The cubic root of 8041802560 is about 2003.4774966707.
Adding to 8041802560 its reverse (652081408), we get a palindrome (8693883968).
The spelling of 8041802560 in words is "eight billion, forty-one million, eight hundred two thousand, five hundred sixty".
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