Base | Representation |
---|---|
bin | 100101101001001111… |
… | …0001111101010100101 |
3 | 21201122220202200221001 |
4 | 1023102132033222211 |
5 | 2311030140231143 |
6 | 101045421353301 |
7 | 5561206244530 |
oct | 1132236175245 |
9 | 251586680831 |
10 | 80840555173 |
11 | 31314427684 |
12 | 13801408831 |
13 | 7814317141 |
14 | 3cac65da17 |
15 | 21821a714d |
hex | 12d278faa5 |
80840555173 has 16 divisors (see below), whose sum is σ = 94571642880. Its totient is φ = 67656231216.
The previous prime is 80840555167. The next prime is 80840555221. The reversal of 80840555173 is 37155504808.
It is not a de Polignac number, because 80840555173 - 29 = 80840554661 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80840555473) 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, 819936 + ... + 913222.
It is an arithmetic number, because the mean of its divisors is an integer number (5910727680).
Almost surely, 280840555173 is an apocalyptic number.
It is an amenable number.
80840555173 is a deficient number, since it is larger than the sum of its proper divisors (13731087707).
80840555173 is a wasteful number, since it uses less digits than its factorization.
80840555173 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96216.
The product of its (nonzero) digits is 672000, while the sum is 46.
The spelling of 80840555173 in words is "eighty billion, eight hundred forty million, five hundred fifty-five thousand, one hundred seventy-three".
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