Base | Representation |
---|---|
bin | 100101010101010110… |
… | …0010011001010010110 |
3 | 21122221101221001100011 |
4 | 1022222230103022112 |
5 | 2303143311311440 |
6 | 100455300510434 |
7 | 5535523352431 |
oct | 1125254231226 |
9 | 248841831304 |
10 | 80173150870 |
11 | 3100172097a |
12 | 136559ab41a |
13 | 7738c7b357 |
14 | 3c47b6c818 |
15 | 21437c29ea |
hex | 12aab13296 |
80173150870 has 16 divisors (see below), whose sum is σ = 144316980720. Its totient is φ = 32068080544.
The previous prime is 80173150843. The next prime is 80173150877. The reversal of 80173150870 is 7805137108.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80173150877) 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 7 ways as a sum of consecutive naturals, for example, 170601 + ... + 435259.
It is an arithmetic number, because the mean of its divisors is an integer number (9019811295).
Almost surely, 280173150870 is an apocalyptic number.
80173150870 is a deficient number, since it is larger than the sum of its proper divisors (64143829850).
80173150870 is a wasteful number, since it uses less digits than its factorization.
80173150870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294959.
The product of its (nonzero) digits is 47040, while the sum is 40.
Adding to 80173150870 its reverse (7805137108), we get a palindrome (87978287978).
The spelling of 80173150870 in words is "eighty billion, one hundred seventy-three million, one hundred fifty thousand, eight hundred seventy".
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