Base | Representation |
---|---|
bin | 10111111011100111… |
… | …11000001110101001 |
3 | 1020011102002122201100 |
4 | 23331303320032221 |
5 | 202303112414042 |
6 | 5522524512013 |
7 | 633250433163 |
oct | 137563701651 |
9 | 36142078640 |
10 | 12848169897 |
11 | 54a3503232 |
12 | 25a69ab609 |
13 | 1299ab1ac4 |
14 | 89c525933 |
15 | 502e6024c |
hex | 2fdcf83a9 |
12848169897 has 12 divisors (see below), whose sum is σ = 18561770500. Its totient is φ = 8563922208.
The previous prime is 12848169857. The next prime is 12848169913. The reversal of 12848169897 is 79896184821.
12848169897 is a `hidden beast` number, since 1 + 2 + 8 + 481 + 69 + 8 + 97 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2439273321 + 10408896576 = 49389^2 + 102024^2 .
It is not a de Polignac number, because 12848169897 - 210 = 12848168873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12848169857) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72418 + ... + 175899.
Almost surely, 212848169897 is an apocalyptic number.
It is an amenable number.
12848169897 is a deficient number, since it is larger than the sum of its proper divisors (5713600603).
12848169897 is a wasteful number, since it uses less digits than its factorization.
12848169897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 254072 (or 254069 counting only the distinct ones).
The product of its digits is 13934592, while the sum is 63.
The spelling of 12848169897 in words is "twelve billion, eight hundred forty-eight million, one hundred sixty-nine thousand, eight hundred ninety-seven".
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