Base | Representation |
---|---|
bin | 10111110110110111… |
… | …00011111111001111 |
3 | 1020001121222001201010 |
4 | 23323123203333033 |
5 | 202212402203403 |
6 | 5514541020303 |
7 | 632254152540 |
oct | 137333437717 |
9 | 36047861633 |
10 | 12808241103 |
11 | 5482a11129 |
12 | 2595554693 |
13 | 12917417b8 |
14 | 8970d04c7 |
15 | 4ee6c4603 |
hex | 2fb6e3fcf |
12808241103 has 16 divisors (see below), whose sum is σ = 19625156096. Its totient is φ = 7278556320.
The previous prime is 12808241101. The next prime is 12808241129. The reversal of 12808241103 is 30114280821.
It is not a de Polignac number, because 12808241103 - 21 = 12808241101 is a prime.
It is the 113174-th Hogben number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12808241101) by changing a digit.
It is a nontrivial repunit in base 113173.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1681051 + ... + 1688652.
It is an arithmetic number, because the mean of its divisors is an integer number (1226572256).
Almost surely, 212808241103 is an apocalyptic number.
12808241103 is a deficient number, since it is larger than the sum of its proper divisors (6816914993).
12808241103 is a wasteful number, since it uses less digits than its factorization.
12808241103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3369894.
The product of its (nonzero) digits is 3072, while the sum is 30.
It can be divided in two parts, 12 and 808241103, that added together give a triangular number (808241115 = T40205).
The spelling of 12808241103 in words is "twelve billion, eight hundred eight million, two hundred forty-one thousand, one hundred three".
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