Base | Representation |
---|---|
bin | 1010111111001011111001… |
… | …1001000110001110101001 |
3 | 1120202220020201202201020111 |
4 | 2233302332121012032221 |
5 | 3040412123411132010 |
6 | 41405434230054321 |
7 | 2354540402103352 |
oct | 257627631061651 |
9 | 46686221681214 |
10 | 12080642286505 |
11 | 393840a6a1281 |
12 | 14313867aa3a1 |
13 | 698279907790 |
14 | 2da9c5b8ad29 |
15 | 15e3a29b158a |
hex | afcbe6463a9 |
12080642286505 has 16 divisors (see below), whose sum is σ = 15693644703744. Its totient is φ = 8874382403520.
The previous prime is 12080642286491. The next prime is 12080642286511. The reversal of 12080642286505 is 50568224608021.
It is not a de Polignac number, because 12080642286505 - 29 = 12080642285993 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486521709 + ... + 486546538.
It is an arithmetic number, because the mean of its divisors is an integer number (980852793984).
Almost surely, 212080642286505 is an apocalyptic number.
It is an amenable number.
12080642286505 is a deficient number, since it is larger than the sum of its proper divisors (3613002417239).
12080642286505 is a wasteful number, since it uses less digits than its factorization.
12080642286505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 973068456.
The product of its (nonzero) digits is 1843200, while the sum is 49.
The spelling of 12080642286505 in words is "twelve trillion, eighty billion, six hundred forty-two million, two hundred eighty-six thousand, five hundred five".
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