Base | Representation |
---|---|
bin | 101000010001011011… |
… | …100010000110111111 |
3 | 11010121121122110000221 |
4 | 220101123202012333 |
5 | 1202024434300411 |
6 | 31510512202211 |
7 | 3060402545545 |
oct | 502133420677 |
9 | 133547573027 |
10 | 43242103231 |
11 | 173800491a8 |
12 | 8469839367 |
13 | 4101973042 |
14 | 2142dd5d95 |
15 | 11d1450071 |
hex | a116e21bf |
43242103231 has 4 divisors (see below), whose sum is σ = 43257733792. Its totient is φ = 43226472672.
The previous prime is 43242103217. The next prime is 43242103237. The reversal of 43242103231 is 13230124234.
43242103231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 43242103231 - 211 = 43242101183 is a prime.
It is a super-2 number, since 2×432421032312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 43242103196 and 43242103205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43242103237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7811130 + ... + 7816663.
It is an arithmetic number, because the mean of its divisors is an integer number (10814433448).
Almost surely, 243242103231 is an apocalyptic number.
43242103231 is a deficient number, since it is larger than the sum of its proper divisors (15630561).
43242103231 is a wasteful number, since it uses less digits than its factorization.
43242103231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15630560.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 43242103231 its reverse (13230124234), we get a palindrome (56472227465).
The spelling of 43242103231 in words is "forty-three billion, two hundred forty-two million, one hundred three thousand, two hundred thirty-one".
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