Base | Representation |
---|---|
bin | 100111100001101111… |
… | …111000001100111110 |
3 | 11001112212100121101120 |
4 | 213201233320030332 |
5 | 1143410141131423 |
6 | 31255254051410 |
7 | 3031520104014 |
oct | 474157701476 |
9 | 131485317346 |
10 | 42442130238 |
11 | 16aaa5266a2 |
12 | 8285949b66 |
13 | 4004ccc541 |
14 | 20a8a768b4 |
15 | 11860d0ee3 |
hex | 9e1bf833e |
42442130238 has 16 divisors (see below), whose sum is σ = 84922199040. Its totient is φ = 14141053656.
The previous prime is 42442130231. The next prime is 42442130239. The reversal of 42442130238 is 83203124424.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 42442130199 and 42442130208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42442130231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566220 + ... + 1593087.
It is an arithmetic number, because the mean of its divisors is an integer number (5307637440).
Almost surely, 242442130238 is an apocalyptic number.
42442130238 is an abundant number, since it is smaller than the sum of its proper divisors (42480068802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42442130238 is a wasteful number, since it uses less digits than its factorization.
42442130238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3161551.
The product of its (nonzero) digits is 36864, while the sum is 33.
The spelling of 42442130238 in words is "forty-two billion, four hundred forty-two million, one hundred thirty thousand, two hundred thirty-eight".
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