Base | Representation |
---|---|
bin | 10110110111111111… |
… | …00111101011011100 |
3 | 1011200212112102101111 |
4 | 23123333213223130 |
5 | 200122342304432 |
6 | 5350340351404 |
7 | 613221161131 |
oct | 133377475334 |
9 | 34625472344 |
10 | 12280822492 |
11 | 5232227784 |
12 | 24689a5564 |
13 | 12093a9693 |
14 | 84703c588 |
15 | 4bd242347 |
hex | 2dbfe7adc |
12280822492 has 12 divisors (see below), whose sum is σ = 22425849936. Its totient is φ = 5873436800.
The previous prime is 12280822483. The next prime is 12280822493. The reversal of 12280822492 is 29422808221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12280822493) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66743509 + ... + 66743692.
It is an arithmetic number, because the mean of its divisors is an integer number (1868820828).
Almost surely, 212280822492 is an apocalyptic number.
It is an amenable number.
12280822492 is a deficient number, since it is larger than the sum of its proper divisors (10145027444).
12280822492 is a wasteful number, since it uses less digits than its factorization.
12280822492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133487228 (or 133487226 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 40.
The spelling of 12280822492 in words is "twelve billion, two hundred eighty million, eight hundred twenty-two thousand, four hundred ninety-two".
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