Base | Representation |
---|---|
bin | 100111010101010111… |
… | …000111011101011101 |
3 | 11001000101022101002211 |
4 | 213111113013131131 |
5 | 1142443441000131 |
6 | 31222511520421 |
7 | 3023414506351 |
oct | 472527073535 |
9 | 131011271084 |
10 | 42234312541 |
11 | 16a03194133 |
12 | 8228229111 |
13 | 3ca0c38aa5 |
14 | 208921b461 |
15 | 1172c305b1 |
hex | 9d55c775d |
42234312541 has 4 divisors (see below), whose sum is σ = 42237847872. Its totient is φ = 42230777212.
The previous prime is 42234312539. The next prime is 42234312551. The reversal of 42234312541 is 14521343224.
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 42234312541 - 21 = 42234312539 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42234312551) 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, 1749685 + ... + 1773658.
It is an arithmetic number, because the mean of its divisors is an integer number (10559461968).
Almost surely, 242234312541 is an apocalyptic number.
It is an amenable number.
42234312541 is a deficient number, since it is larger than the sum of its proper divisors (3535331).
42234312541 is a wasteful number, since it uses less digits than its factorization.
42234312541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3535330.
The product of its digits is 23040, while the sum is 31.
Adding to 42234312541 its reverse (14521343224), we get a palindrome (56755655765).
The spelling of 42234312541 in words is "forty-two billion, two hundred thirty-four million, three hundred twelve thousand, five hundred forty-one".
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