Base | Representation |
---|---|
bin | 1011101101001111110111… |
… | …0101111100101010011011 |
3 | 1200120112211110210011201122 |
4 | 2323103331311330222123 |
5 | 3141343304040442241 |
6 | 43213150100435455 |
7 | 2465653453335221 |
oct | 273237565745233 |
9 | 50515743704648 |
10 | 12871980796571 |
11 | 4112a81651426 |
12 | 153a8143a8b8b |
13 | 724a90296280 |
14 | 327015a56b11 |
15 | 174c6a69104b |
hex | bb4fdd7ca9b |
12871980796571 has 8 divisors (see below), whose sum is σ = 13872041786400. Its totient is φ = 11873335324032.
The previous prime is 12871980796559. The next prime is 12871980796601. The reversal of 12871980796571 is 17569708917821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-12871980796571 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12871980796495 and 12871980796504.
It is not an unprimeable number, because it can be changed into a prime (12871980796501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353860430 + ... + 353896803.
It is an arithmetic number, because the mean of its divisors is an integer number (1734005223300).
Almost surely, 212871980796571 is an apocalyptic number.
12871980796571 is a deficient number, since it is larger than the sum of its proper divisors (1000060989829).
12871980796571 is a wasteful number, since it uses less digits than its factorization.
12871980796571 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 707758645.
The product of its (nonzero) digits is 106686720, while the sum is 71.
The spelling of 12871980796571 in words is "twelve trillion, eight hundred seventy-one billion, nine hundred eighty million, seven hundred ninety-six thousand, five hundred seventy-one".
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