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80173150870 = 2530293264659
BaseRepresentation
bin100101010101010110…
…0010011001010010110
321122221101221001100011
41022222230103022112
52303143311311440
6100455300510434
75535523352431
oct1125254231226
9248841831304
1080173150870
113100172097a
12136559ab41a
137738c7b357
143c47b6c818
1521437c29ea
hex12aab13296

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".

Divisors: 1 2 5 10 30293 60586 151465 264659 302930 529318 1323295 2646590 8017315087 16034630174 40086575435 80173150870