Base | Representation |
---|---|
bin | 111101001001110010… |
… | …0001001100101011001 |
3 | 110112222020200022121012 |
4 | 1322103210021211121 |
5 | 4122423113333243 |
6 | 140155121023305 |
7 | 12326230631543 |
oct | 1722344114531 |
9 | 415866608535 |
10 | 131324746073 |
11 | 507704394a4 |
12 | 21550484b35 |
13 | c4cb495251 |
14 | 64db3cc693 |
15 | 36392e0d18 |
hex | 1e93909959 |
131324746073 has 2 divisors, whose sum is σ = 131324746074. Its totient is φ = 131324746072.
The previous prime is 131324746043. The next prime is 131324746097. The reversal of 131324746073 is 370647423131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 111805303129 + 19519442944 = 334373^2 + 139712^2 .
It is an emirp because it is prime and its reverse (370647423131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 131324746073 - 220 = 131323697497 is a prime.
It is a super-2 number, since 2×1313247460732 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 131324746073.
It is not a weakly prime, because it can be changed into another prime (131324746013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65662373036 + 65662373037.
It is an arithmetic number, because the mean of its divisors is an integer number (65662373037).
Almost surely, 2131324746073 is an apocalyptic number.
It is an amenable number.
131324746073 is a deficient number, since it is larger than the sum of its proper divisors (1).
131324746073 is an equidigital number, since it uses as much as digits as its factorization.
131324746073 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 254016, while the sum is 41.
The spelling of 131324746073 in words is "one hundred thirty-one billion, three hundred twenty-four million, seven hundred forty-six thousand, seventy-three".
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