Base | Representation |
---|---|
bin | 10111101101001010… |
… | …10000000100001100 |
3 | 1012211221220020122022 |
4 | 23312211100010030 |
5 | 202031041113420 |
6 | 5502513305312 |
7 | 630245551511 |
oct | 136645200414 |
9 | 35757806568 |
10 | 12726894860 |
11 | 5441000529 |
12 | 2572265238 |
13 | 127a92c724 |
14 | 88a397308 |
15 | 4e74a6c25 |
hex | 2f695010c |
12726894860 has 24 divisors (see below), whose sum is σ = 26991102096. Its totient is φ = 5040353600.
The previous prime is 12726894853. The next prime is 12726894863. The reversal of 12726894860 is 6849862721.
It is not an unprimeable number, because it can be changed into a prime (12726894863) 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, 3148202 + ... + 3152241.
It is an arithmetic number, because the mean of its divisors is an integer number (1124629254).
Almost surely, 212726894860 is an apocalyptic number.
12726894860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12726894860 is an abundant number, since it is smaller than the sum of its proper divisors (14264207236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12726894860 is a wasteful number, since it uses less digits than its factorization.
12726894860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6300553 (or 6300551 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 53.
The spelling of 12726894860 in words is "twelve billion, seven hundred twenty-six million, eight hundred ninety-four thousand, eight hundred sixty".
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