Base | Representation |
---|---|
bin | 100111001101100000… |
… | …000100110101010000 |
3 | 11000200012011201120111 |
4 | 213031200010311100 |
5 | 1142211211141334 |
6 | 31201441251104 |
7 | 3020223602143 |
oct | 471540046520 |
9 | 130605151514 |
10 | 42102443344 |
11 | 16945805925 |
12 | 81b0033a94 |
13 | 3c7c817590 |
14 | 20758d205a |
15 | 1166383064 |
hex | 9cd804d50 |
42102443344 has 40 divisors (see below), whose sum is σ = 87880356200. Its totient is φ = 19424821248.
The previous prime is 42102443291. The next prime is 42102443347. The reversal of 42102443344 is 44334420124.
It can be written as a sum of positive squares in 4 ways, for example, as 8397889600 + 33704553744 = 91640^2 + 183588^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42102443347) 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, 558832 + ... + 629680.
It is an arithmetic number, because the mean of its divisors is an integer number (2197008905).
Almost surely, 242102443344 is an apocalyptic number.
It is an amenable number.
42102443344 is an abundant number, since it is smaller than the sum of its proper divisors (45777912856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42102443344 is a wasteful number, since it uses less digits than its factorization.
42102443344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73727 (or 73721 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 31.
Adding to 42102443344 its reverse (44334420124), we get a palindrome (86436863468).
The spelling of 42102443344 in words is "forty-two billion, one hundred two million, four hundred forty-three thousand, three hundred forty-four".
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