Base | Representation |
---|---|
bin | 100111010101100100… |
… | …110101010010101001 |
3 | 11001000122002001100001 |
4 | 213111210311102221 |
5 | 1143000401030022 |
6 | 31223120543001 |
7 | 3023460203215 |
oct | 472544652251 |
9 | 131018061301 |
10 | 42237908137 |
11 | 16a0521a5a7 |
12 | 8229481a61 |
13 | 3ca18c7569 |
14 | 20898b5945 |
15 | 11731e0b27 |
hex | 9d59354a9 |
42237908137 has 2 divisors, whose sum is σ = 42237908138. Its totient is φ = 42237908136.
The previous prime is 42237908131. The next prime is 42237908189. The reversal of 42237908137 is 73180973224.
42237908137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28933669801 + 13304238336 = 170099^2 + 115344^2 .
It is a cyclic number.
It is not a de Polignac number, because 42237908137 - 219 = 42237383849 is a prime.
It is not a weakly prime, because it can be changed into another prime (42237908131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21118954068 + 21118954069.
It is an arithmetic number, because the mean of its divisors is an integer number (21118954069).
Almost surely, 242237908137 is an apocalyptic number.
It is an amenable number.
42237908137 is a deficient number, since it is larger than the sum of its proper divisors (1).
42237908137 is an equidigital number, since it uses as much as digits as its factorization.
42237908137 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 508032, while the sum is 46.
The spelling of 42237908137 in words is "forty-two billion, two hundred thirty-seven million, nine hundred eight thousand, one hundred thirty-seven".
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