Base | Representation |
---|---|
bin | 11101110010011110101001… |
… | …000101011011110111001101 |
3 | 122011212122110011102121222221 |
4 | 131302132221011123313031 |
5 | 114133001013344013422 |
6 | 1142350103535335341 |
7 | 36411215022401065 |
oct | 3562365105336715 |
9 | 564778404377887 |
10 | 131012224204237 |
11 | 38820a77099752 |
12 | 1283b068981551 |
13 | 581452729576c |
14 | 244d04dd063a5 |
15 | 1022dde0bb3c7 |
hex | 7727a915bdcd |
131012224204237 has 2 divisors, whose sum is σ = 131012224204238. Its totient is φ = 131012224204236.
The previous prime is 131012224204201. The next prime is 131012224204297. The reversal of 131012224204237 is 732402422210131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 130758630380676 + 253593823561 = 11434974^2 + 503581^2 .
It is a cyclic number.
It is not a de Polignac number, because 131012224204237 - 219 = 131012223679949 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131012224204297) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65506112102118 + 65506112102119.
It is an arithmetic number, because the mean of its divisors is an integer number (65506112102119).
Almost surely, 2131012224204237 is an apocalyptic number.
It is an amenable number.
131012224204237 is a deficient number, since it is larger than the sum of its proper divisors (1).
131012224204237 is an equidigital number, since it uses as much as digits as its factorization.
131012224204237 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32256, while the sum is 34.
Adding to 131012224204237 its reverse (732402422210131), we get a palindrome (863414646414368).
The spelling of 131012224204237 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, two hundred four thousand, two hundred thirty-seven".
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