Base | Representation |
---|---|
bin | 100111011110100001… |
… | …011011100000100010 |
3 | 11001102002112001210220 |
4 | 213132201123200202 |
5 | 1143302312323132 |
6 | 31250042103510 |
7 | 3030262102056 |
oct | 473641334042 |
9 | 131362461726 |
10 | 42388011042 |
11 | 16a81a22093 |
12 | 826b7aab96 |
13 | 3cc6a31250 |
14 | 20a17c9c66 |
15 | 1181490a2c |
hex | 9de85b822 |
42388011042 has 32 divisors (see below), whose sum is σ = 91308748608. Its totient is φ = 13040822976.
The previous prime is 42388010989. The next prime is 42388011067. The reversal of 42388011042 is 24011088324.
It is a junction number, because it is equal to n+sod(n) for n = 42388010994 and 42388011012.
It is an unprimeable number.
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, 685873 + ... + 745115.
It is an arithmetic number, because the mean of its divisors is an integer number (2853398394).
Almost surely, 242388011042 is an apocalyptic number.
42388011042 is an abundant number, since it is smaller than the sum of its proper divisors (48920737566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42388011042 is a wasteful number, since it uses less digits than its factorization.
42388011042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68434.
The product of its (nonzero) digits is 12288, while the sum is 33.
Adding to 42388011042 its reverse (24011088324), we get a palindrome (66399099366).
The spelling of 42388011042 in words is "forty-two billion, three hundred eighty-eight million, eleven thousand, forty-two".
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