Base | Representation |
---|---|
bin | 10111110101100001… |
… | …10001001010000001 |
3 | 1020000211212010011020 |
4 | 23322300301022001 |
5 | 202202014212344 |
6 | 5513500340053 |
7 | 632056620342 |
oct | 137260611201 |
9 | 36024763136 |
10 | 12797022849 |
11 | 5477649746 |
12 | 2591844629 |
13 | 128c314590 |
14 | 8958100c9 |
15 | 4ed70a719 |
hex | 2fac31281 |
12797022849 has 16 divisors (see below), whose sum is σ = 18607814400. Its totient is φ = 7775404416.
The previous prime is 12797022829. The next prime is 12797022857. The reversal of 12797022849 is 94822079721.
It is not a de Polignac number, because 12797022849 - 211 = 12797020801 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12797022829) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2073684 + ... + 2079845.
It is an arithmetic number, because the mean of its divisors is an integer number (1162988400).
Almost surely, 212797022849 is an apocalyptic number.
It is an amenable number.
12797022849 is a deficient number, since it is larger than the sum of its proper divisors (5810791551).
12797022849 is a wasteful number, since it uses less digits than its factorization.
12797022849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4153624.
The product of its (nonzero) digits is 1016064, while the sum is 51.
The spelling of 12797022849 in words is "twelve billion, seven hundred ninety-seven million, twenty-two thousand, eight hundred forty-nine".
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