Base | Representation |
---|---|
bin | 100101101101110110… |
… | …0001000001000000000 |
3 | 21202001200201221000000 |
4 | 1023123230020020000 |
5 | 2311334232023443 |
6 | 101113024000000 |
7 | 5565064514661 |
oct | 1133354101000 |
9 | 252050657000 |
10 | 80995189248 |
11 | 31393744536 |
12 | 13845160000 |
13 | 783a3793ac |
14 | 3cc4dd3368 |
15 | 2190a4e8d3 |
hex | 12dbb08200 |
80995189248 has 140 divisors (see below), whose sum is σ = 242638399278. Its totient is φ = 26998272000.
The previous prime is 80995189229. The next prime is 80995189277. The reversal of 80995189248 is 84298159908.
80995189248 is a `hidden beast` number, since 8 + 0 + 99 + 518 + 9 + 24 + 8 = 666.
It can be written as a sum of positive squares in only one way, i.e., 79091437824 + 1903751424 = 281232^2 + 43632^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 264748 + ... + 481748.
Almost surely, 280995189248 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 80995189248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121319199639).
80995189248 is an abundant number, since it is smaller than the sum of its proper divisors (161643210030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80995189248 is an frugal number, since it uses more digits than its factorization.
80995189248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217037 (or 217006 counting only the distinct ones).
The product of its (nonzero) digits is 14929920, while the sum is 63.
The spelling of 80995189248 in words is "eighty billion, nine hundred ninety-five million, one hundred eighty-nine thousand, two hundred forty-eight".
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