Base | Representation |
---|---|
bin | 100101010101011101… |
… | …1010111111010011000 |
3 | 21122221200100210221101 |
4 | 1022222323113322120 |
5 | 2303200314234423 |
6 | 100455521321144 |
7 | 5535602061250 |
oct | 1125273277230 |
9 | 248850323841 |
10 | 80177102488 |
11 | 3100397a87a |
12 | 136571961b4 |
13 | 7739a32ba2 |
14 | 3c484ba960 |
15 | 2143d037ad |
hex | 12aaed7e98 |
80177102488 has 64 divisors (see below), whose sum is σ = 178496136000. Its totient is φ = 33034186752.
The previous prime is 80177102483. The next prime is 80177102543. The reversal of 80177102488 is 88420177108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80177102483) 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, 272448 + ... + 484336.
It is an arithmetic number, because the mean of its divisors is an integer number (2789002125).
Almost surely, 280177102488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80177102488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89248068000).
80177102488 is an abundant number, since it is smaller than the sum of its proper divisors (98319033512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80177102488 is a wasteful number, since it uses less digits than its factorization.
80177102488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212164 (or 212160 counting only the distinct ones).
The product of its (nonzero) digits is 200704, while the sum is 46.
The spelling of 80177102488 in words is "eighty billion, one hundred seventy-seven million, one hundred two thousand, four hundred eighty-eight".
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