Base | Representation |
---|---|
bin | 100111001001111010… |
… | …011010110000101001 |
3 | 11000111222220002011112 |
4 | 213021322122300221 |
5 | 1142100303140131 |
6 | 31151451040105 |
7 | 3015563100254 |
oct | 471172326051 |
9 | 130458802145 |
10 | 42042240041 |
11 | 1691482622a |
12 | 8193a40035 |
13 | 3c701c8c19 |
14 | 206b90009b |
15 | 1160e4002b |
hex | 9c9e9ac29 |
42042240041 has 4 divisors (see below), whose sum is σ = 42065456784. Its totient is φ = 42019023300.
The previous prime is 42042240029. The next prime is 42042240047. The reversal of 42042240041 is 14004224024.
42042240041 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, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 42042240041 - 210 = 42042239017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42042239989 and 42042240016.
It is not an unprimeable number, because it can be changed into a prime (42042240047) 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, 11605655 + ... + 11609276.
It is an arithmetic number, because the mean of its divisors is an integer number (10516364196).
Almost surely, 242042240041 is an apocalyptic number.
It is an amenable number.
42042240041 is a deficient number, since it is larger than the sum of its proper divisors (23216743).
42042240041 is a wasteful number, since it uses less digits than its factorization.
42042240041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23216742.
The product of its (nonzero) digits is 2048, while the sum is 23.
Adding to 42042240041 its reverse (14004224024), we get a palindrome (56046464065).
The spelling of 42042240041 in words is "forty-two billion, forty-two million, two hundred forty thousand, forty-one".
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