Base | Representation |
---|---|
bin | 100111010101110110… |
… | …000000111001101001 |
3 | 11001000221112212122212 |
4 | 213111312000321221 |
5 | 1143003024142022 |
6 | 31223401254505 |
7 | 3023543402342 |
oct | 472566007151 |
9 | 131027485585 |
10 | 42242412137 |
11 | 16a07816512 |
12 | 822aa94435 |
13 | 3ca2813653 |
14 | 208a3290c9 |
15 | 11737d03e2 |
hex | 9d5d80e69 |
42242412137 has 2 divisors, whose sum is σ = 42242412138. Its totient is φ = 42242412136.
The previous prime is 42242412089. The next prime is 42242412143. The reversal of 42242412137 is 73121424224.
42242412137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 42132078121 + 110334016 = 205261^2 + 10504^2 .
It is a cyclic number.
It is not a de Polignac number, because 42242412137 - 212 = 42242408041 is a prime.
It is not a weakly prime, because it can be changed into another prime (42242412937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121206068 + 21121206069.
It is an arithmetic number, because the mean of its divisors is an integer number (21121206069).
Almost surely, 242242412137 is an apocalyptic number.
It is an amenable number.
42242412137 is a deficient number, since it is larger than the sum of its proper divisors (1).
42242412137 is an equidigital number, since it uses as much as digits as its factorization.
42242412137 is an evil number, because the sum of its binary digits is even.
The product of its digits is 21504, while the sum is 32.
The spelling of 42242412137 in words is "forty-two billion, two hundred forty-two million, four hundred twelve thousand, one hundred thirty-seven".
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