Base | Representation |
---|---|
bin | 100111001001010000… |
… | …110011010010001001 |
3 | 11000111020100211000021 |
4 | 213021100303102021 |
5 | 1142040010033231 |
6 | 31150421140441 |
7 | 3015401261662 |
oct | 471120632211 |
9 | 130436324007 |
10 | 42031330441 |
11 | 16909654731 |
12 | 819025a721 |
13 | 3c6ab79339 |
14 | 206a2a0369 |
15 | 115eed7811 |
hex | 9c9433489 |
42031330441 has 8 divisors (see below), whose sum is σ = 43059174984. Its totient is φ = 41003614080.
The previous prime is 42031330421. The next prime is 42031330477. The reversal of 42031330441 is 14403313024.
It can be written as a sum of positive squares in 4 ways, for example, as 253605625 + 41777724816 = 15925^2 + 204396^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42031330441 - 229 = 41494459529 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42031330421) 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, 1269291 + ... + 1301983.
It is an arithmetic number, because the mean of its divisors is an integer number (5382396873).
Almost surely, 242031330441 is an apocalyptic number.
42031330441 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
It is an amenable number.
42031330441 is a deficient number, since it is larger than the sum of its proper divisors (1027844543).
42031330441 is a wasteful number, since it uses less digits than its factorization.
42031330441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64091.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 42031330441 its reverse (14403313024), we get a palindrome (56434643465).
The spelling of 42031330441 in words is "forty-two billion, thirty-one million, three hundred thirty thousand, four hundred forty-one".
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