Base | Representation |
---|---|
bin | 110100100110000000010001… |
… | …000001010010000001111111 |
3 | 1010100000000122200200122002101 |
4 | 310212000101001102001333 |
5 | 220304240432311221142 |
6 | 2135542211203205531 |
7 | 66502412346234061 |
oct | 6446002101220177 |
9 | 1110000580618071 |
10 | 231310044242047 |
11 | 67780047809281 |
12 | 21b395299768a7 |
13 | 9c0b59c703344 |
14 | 4119674517731 |
15 | 1bb1d8998a0b7 |
hex | d2601105207f |
231310044242047 has 2 divisors, whose sum is σ = 231310044242048. Its totient is φ = 231310044242046.
The previous prime is 231310044242023. The next prime is 231310044242051. The reversal of 231310044242047 is 740242440013132.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 231310044242047 - 211 = 231310044239999 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 231310044241997 and 231310044242015.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (231310045242047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115655022121023 + 115655022121024.
It is an arithmetic number, because the mean of its divisors is an integer number (115655022121024).
Almost surely, 2231310044242047 is an apocalyptic number.
231310044242047 is a deficient number, since it is larger than the sum of its proper divisors (1).
231310044242047 is an equidigital number, since it uses as much as digits as its factorization.
231310044242047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 129024, while the sum is 37.
Adding to 231310044242047 its reverse (740242440013132), we get a palindrome (971552484255179).
The spelling of 231310044242047 in words is "two hundred thirty-one trillion, three hundred ten billion, forty-four million, two hundred forty-two thousand, forty-seven".
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