Base | Representation |
---|---|
bin | 10111001100000001… |
… | …01111001110011001 |
3 | 1012010120210000112000 |
4 | 23212000233032121 |
5 | 200443403401310 |
6 | 5415142511213 |
7 | 620331541152 |
oct | 134600571631 |
9 | 35116700460 |
10 | 12448887705 |
11 | 5309088651 |
12 | 24b5135509 |
13 | 1235162157 |
14 | 8614aa929 |
15 | 4ccd8e4c0 |
hex | 2e602f399 |
12448887705 has 64 divisors (see below), whose sum is σ = 22325760000. Its totient is φ = 6581373120.
The previous prime is 12448887637. The next prime is 12448887707. The reversal of 12448887705 is 50778884421.
12448887705 is a `hidden beast` number, since 12 + 4 + 488 + 87 + 70 + 5 = 666.
12448887705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12448887705 - 217 = 12448756633 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12448887707) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8304046 + ... + 8305544.
It is an arithmetic number, because the mean of its divisors is an integer number (348840000).
Almost surely, 212448887705 is an apocalyptic number.
12448887705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12448887705 is a deficient number, since it is larger than the sum of its proper divisors (9876872295).
12448887705 is a wasteful number, since it uses less digits than its factorization.
12448887705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2011 (or 2005 counting only the distinct ones).
The product of its (nonzero) digits is 4014080, while the sum is 54.
The spelling of 12448887705 in words is "twelve billion, four hundred forty-eight million, eight hundred eighty-seven thousand, seven hundred five".
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