Base | Representation |
---|---|
bin | 100101101100011011… |
… | …0111100111111011111 |
3 | 21201221101100222221101 |
4 | 1023120312330333133 |
5 | 2311240102224313 |
6 | 101104210013531 |
7 | 5563650026326 |
oct | 1133066747737 |
9 | 251841328841 |
10 | 80947695583 |
11 | 31369955877 |
12 | 138312772a7 |
13 | 783058aa31 |
14 | 3cbc98d0bd |
15 | 218b7bc5dd |
hex | 12d8dbcfdf |
80947695583 has 8 divisors (see below), whose sum is σ = 83827063296. Its totient is φ = 78118404000.
The previous prime is 80947695557. The next prime is 80947695611. The reversal of 80947695583 is 38559674908.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80947695583 - 213 = 80947687391 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 (80947698583) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12515743 + ... + 12522208.
It is an arithmetic number, because the mean of its divisors is an integer number (10478382912).
Almost surely, 280947695583 is an apocalyptic number.
80947695583 is a deficient number, since it is larger than the sum of its proper divisors (2879367713).
80947695583 is a wasteful number, since it uses less digits than its factorization.
80947695583 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25038065.
The product of its (nonzero) digits is 65318400, while the sum is 64.
The spelling of 80947695583 in words is "eighty billion, nine hundred forty-seven million, six hundred ninety-five thousand, five hundred eighty-three".
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