Base | Representation |
---|---|
bin | 100101100110100110… |
… | …1101011010110000010 |
3 | 21201102202202012021120 |
4 | 1023031031223112002 |
5 | 2310340043413033 |
6 | 101032550333110 |
7 | 5556055305630 |
oct | 1131515532602 |
9 | 251382665246 |
10 | 80752326018 |
11 | 31279645821 |
12 | 1379795a196 |
13 | 77cbc65240 |
14 | 3ca0a54350 |
15 | 217957a1b3 |
hex | 12cd36b582 |
80752326018 has 128 divisors (see below), whose sum is σ = 211887513600. Its totient is φ = 19920805632.
The previous prime is 80752326001. The next prime is 80752326071. The reversal of 80752326018 is 81062325708.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 770280 + ... + 868812.
It is an arithmetic number, because the mean of its divisors is an integer number (1655371200).
Almost surely, 280752326018 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80752326018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105943756800).
80752326018 is an abundant number, since it is smaller than the sum of its proper divisors (131135187582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80752326018 is a wasteful number, since it uses less digits than its factorization.
80752326018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98656.
The product of its (nonzero) digits is 161280, while the sum is 42.
The spelling of 80752326018 in words is "eighty billion, seven hundred fifty-two million, three hundred twenty-six thousand, eighteen".
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