Base | Representation |
---|---|
bin | 10111000110110100… |
… | …00110010001010100 |
3 | 1012000112120122210221 |
4 | 23203122012101110 |
5 | 200401213012202 |
6 | 5410542324124 |
7 | 616261331443 |
oct | 134332062124 |
9 | 35015518727 |
10 | 12405204052 |
11 | 529646145a |
12 | 24a2589644 |
13 | 12290a8a37 |
14 | 859778d5a |
15 | 4c9111037 |
hex | 2e3686454 |
12405204052 has 24 divisors (see below), whose sum is σ = 21855113280. Its totient is φ = 6161013120.
The previous prime is 12405204037. The next prime is 12405204089. The reversal of 12405204052 is 25040250421.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383052 + ... + 414172.
It is an arithmetic number, because the mean of its divisors is an integer number (910629720).
Almost surely, 212405204052 is an apocalyptic number.
It is an amenable number.
12405204052 is a deficient number, since it is larger than the sum of its proper divisors (9449909228).
12405204052 is a wasteful number, since it uses less digits than its factorization.
12405204052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31791 (or 31789 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 25.
Adding to 12405204052 its reverse (25040250421), we get a palindrome (37445454473).
The spelling of 12405204052 in words is "twelve billion, four hundred five million, two hundred four thousand, fifty-two".
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