Base | Representation |
---|---|
bin | 1011101101001111000101… |
… | …1000010100101111111000 |
3 | 1200120112021220100012001220 |
4 | 2323103301120110233320 |
5 | 3141342342024014222 |
6 | 43213113231112040 |
7 | 2465645334151623 |
oct | 273236130245770 |
9 | 50515256305056 |
10 | 12871771704312 |
11 | 4112984619304 |
12 | 153a776372620 |
13 | 724a58b77641 |
14 | 326dd5d88dba |
15 | 174c5713cb5c |
hex | bb4f1614bf8 |
12871771704312 has 64 divisors (see below), whose sum is σ = 34189654435200. Its totient is φ = 4026781491840.
The previous prime is 12871771704287. The next prime is 12871771704367. The reversal of 12871771704312 is 21340717717821.
It is a congruent 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, 131855739 + ... + 131953322.
It is an arithmetic number, because the mean of its divisors is an integer number (534213350550).
Almost surely, 212871771704312 is an apocalyptic number.
12871771704312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12871771704312 is an abundant number, since it is smaller than the sum of its proper divisors (21317882730888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12871771704312 is a wasteful number, since it uses less digits than its factorization.
12871771704312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263809196 (or 263809192 counting only the distinct ones).
The product of its (nonzero) digits is 921984, while the sum is 51.
The spelling of 12871771704312 in words is "twelve trillion, eight hundred seventy-one billion, seven hundred seventy-one million, seven hundred four thousand, three hundred twelve".
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