Base | Representation |
---|---|
bin | 10110101010110111… |
… | …01111100011100000 |
3 | 1011102012102101011202 |
4 | 23111123233203200 |
5 | 144411203114042 |
6 | 5331405300332 |
7 | 610413463415 |
oct | 132533574340 |
9 | 34365371152 |
10 | 12170754272 |
11 | 5186089906 |
12 | 2437b646a8 |
13 | 11bc64c261 |
14 | 83658a10c |
15 | 4b374e632 |
hex | 2d56ef8e0 |
12170754272 has 24 divisors (see below), whose sum is σ = 24230404800. Its totient is φ = 6017000704.
The previous prime is 12170754263. The next prime is 12170754331. The reversal of 12170754272 is 27245707121.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2133872 + ... + 2139567.
It is an arithmetic number, because the mean of its divisors is an integer number (1009600200).
Almost surely, 212170754272 is an apocalyptic number.
It is an amenable number.
12170754272 is a deficient number, since it is larger than the sum of its proper divisors (12059650528).
12170754272 is an equidigital number, since it uses as much as digits as its factorization.
12170754272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4273538 (or 4273530 counting only the distinct ones).
The product of its (nonzero) digits is 54880, while the sum is 38.
The spelling of 12170754272 in words is "twelve billion, one hundred seventy million, seven hundred fifty-four thousand, two hundred seventy-two".
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