Base | Representation |
---|---|
bin | 1010000010110… |
… | …0010110100111 |
3 | 2221021011020111 |
4 | 2200230112213 |
5 | 41240442321 |
6 | 4102513451 |
7 | 1021024366 |
oct | 240542647 |
9 | 87234214 |
10 | 42124711 |
11 | 21861a12 |
12 | 12135887 |
13 | 895b985 |
14 | 58477dd |
15 | 3a715e1 |
hex | 282c5a7 |
42124711 has 2 divisors, whose sum is σ = 42124712. Its totient is φ = 42124710.
The previous prime is 42124699. The next prime is 42124721. The reversal of 42124711 is 11742124.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 42124711 - 27 = 42124583 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42124721) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21062355 + 21062356.
It is an arithmetic number, because the mean of its divisors is an integer number (21062356).
Almost surely, 242124711 is an apocalyptic number.
42124711 is a deficient number, since it is larger than the sum of its proper divisors (1).
42124711 is an equidigital number, since it uses as much as digits as its factorization.
42124711 is an evil number, because the sum of its binary digits is even.
The product of its digits is 448, while the sum is 22.
The square root of 42124711 is about 6490.3552291073. The cubic root of 42124711 is about 347.9463711563.
Adding to 42124711 its reverse (11742124), we get a palindrome (53866835).
The spelling of 42124711 in words is "forty-two million, one hundred twenty-four thousand, seven hundred eleven".
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