Base | Representation |
---|---|
bin | 10111101000000010… |
… | …01010110000100100 |
3 | 1012201221221221102012 |
4 | 23310001022300210 |
5 | 201434033202013 |
6 | 5454335333352 |
7 | 626214133244 |
oct | 136401126044 |
9 | 35657857365 |
10 | 12683881508 |
11 | 54197a1a01 |
12 | 255b981258 |
13 | 1271a4c43c |
14 | 88479bb24 |
15 | 4e380c1a8 |
hex | 2f404ac24 |
12683881508 has 36 divisors (see below), whose sum is σ = 22961238300. Its totient is φ = 6130589760.
The previous prime is 12683881451. The next prime is 12683881517. The reversal of 12683881508 is 80518838621.
It can be written as a sum of positive squares in 2 ways, for example, as 7653100324 + 5030781184 = 87482^2 + 70928^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6506918 + ... + 6508866.
It is an arithmetic number, because the mean of its divisors is an integer number (637812175).
Almost surely, 212683881508 is an apocalyptic number.
It is an amenable number.
12683881508 is a deficient number, since it is larger than the sum of its proper divisors (10277356792).
12683881508 is a wasteful number, since it uses less digits than its factorization.
12683881508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3708 (or 3675 counting only the distinct ones).
The product of its (nonzero) digits is 737280, while the sum is 50.
The spelling of 12683881508 in words is "twelve billion, six hundred eighty-three million, eight hundred eighty-one thousand, five hundred eight".
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