Base | Representation |
---|---|
bin | 100101011000100010… |
… | …0100100110000110000 |
3 | 21200012212022120120021 |
4 | 1022301010210300300 |
5 | 2303403211141322 |
6 | 100514042453224 |
7 | 5541263152150 |
oct | 1126104446060 |
9 | 250185276507 |
10 | 80280177712 |
11 | 31057081809 |
12 | 13685804214 |
13 | 77551b2347 |
14 | 3c5806c760 |
15 | 214cdb44c7 |
hex | 12b1124c30 |
80280177712 has 80 divisors (see below), whose sum is σ = 184197353472. Its totient is φ = 33168948480.
The previous prime is 80280177667. The next prime is 80280177773. The reversal of 80280177712 is 21777108208.
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 15 ways as a sum of consecutive naturals, for example, 869178 + ... + 957094.
Almost surely, 280280177712 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 80280177712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92098676736).
80280177712 is an abundant number, since it is smaller than the sum of its proper divisors (103917175760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80280177712 is a wasteful number, since it uses less digits than its factorization.
80280177712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88226 (or 88220 counting only the distinct ones).
The product of its (nonzero) digits is 87808, while the sum is 43.
The spelling of 80280177712 in words is "eighty billion, two hundred eighty million, one hundred seventy-seven thousand, seven hundred twelve".
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