Base | Representation |
---|---|
bin | 11111001001010100… |
… | …110010110011001000 |
3 | 10012022122212002122021 |
4 | 133021110302303020 |
5 | 1021442231124230 |
6 | 23210243334224 |
7 | 2262510033121 |
oct | 371124626310 |
9 | 105278762567 |
10 | 33442442440 |
11 | 13201428a90 |
12 | 6593981374 |
13 | 31cc62b3a4 |
14 | 1893703048 |
15 | d0ae66c7a |
hex | 7c9532cc8 |
33442442440 has 64 divisors (see below), whose sum is σ = 83634845760. Its totient is φ = 11931429120.
The previous prime is 33442442413. The next prime is 33442442447. The reversal of 33442442440 is 4424424433.
It is a super-2 number, since 2×334424424402 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 33442442396 and 33442442405.
It is not an unprimeable number, because it can be changed into a prime (33442442447) 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, 693714 + ... + 740353.
It is an arithmetic number, because the mean of its divisors is an integer number (1306794465).
Almost surely, 233442442440 is an apocalyptic number.
It is an amenable number.
33442442440 is an abundant number, since it is smaller than the sum of its proper divisors (50192403320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33442442440 is a wasteful number, since it uses less digits than its factorization.
33442442440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1434142 (or 1434138 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 34.
Adding to 33442442440 its reverse (4424424433), we get a palindrome (37866866873).
It can be divided in two parts, 3 and 3442442440, that added together give a palindrome (3442442443).
The spelling of 33442442440 in words is "thirty-three billion, four hundred forty-two million, four hundred forty-two thousand, four hundred forty".
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