Base | Representation |
---|---|
bin | 11110110111100010… |
… | …110011010000000100 |
3 | 10011112212111222020201 |
4 | 132313202303100010 |
5 | 1020334343440140 |
6 | 23120505340244 |
7 | 2252225260231 |
oct | 366742632004 |
9 | 104485458221 |
10 | 33144124420 |
11 | 13068aa3270 |
12 | 650ba97684 |
13 | 318289c054 |
14 | 1865c4a788 |
15 | cdeb8b49a |
hex | 7b78b3404 |
33144124420 has 48 divisors (see below), whose sum is σ = 75947961600. Its totient is φ = 12049585920.
The previous prime is 33144124379. The next prime is 33144124421. The reversal of 33144124420 is 2442144133.
It is not an unprimeable number, because it can be changed into a prime (33144124421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1078021 + ... + 1108339.
It is an arithmetic number, because the mean of its divisors is an integer number (1582249200).
Almost surely, 233144124420 is an apocalyptic number.
It is an amenable number.
33144124420 is an abundant number, since it is smaller than the sum of its proper divisors (42803837180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33144124420 is a wasteful number, since it uses less digits than its factorization.
33144124420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35308 (or 35306 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 33144124420 its reverse (2442144133), we get a palindrome (35586268553).
The spelling of 33144124420 in words is "thirty-three billion, one hundred forty-four million, one hundred twenty-four thousand, four hundred twenty".
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