Base | Representation |
---|---|
bin | 11101011000000100… |
… | …101111111100100001 |
3 | 10000102020121111112222 |
4 | 131120010233330201 |
5 | 1004044324123131 |
6 | 22253531200425 |
7 | 2164436033021 |
oct | 353004577441 |
9 | 100366544488 |
10 | 31542411041 |
11 | 124169612a9 |
12 | 61435a6115 |
13 | 2c88ab645b |
14 | 175322ba81 |
15 | c4924e87b |
hex | 75812ff21 |
31542411041 has 2 divisors, whose sum is σ = 31542411042. Its totient is φ = 31542411040.
The previous prime is 31542410987. The next prime is 31542411077. The reversal of 31542411041 is 14011424513.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28691278225 + 2851132816 = 169385^2 + 53396^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31542411041 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31542411041.
It is not a weakly prime, because it can be changed into another prime (31542411091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15771205520 + 15771205521.
It is an arithmetic number, because the mean of its divisors is an integer number (15771205521).
Almost surely, 231542411041 is an apocalyptic number.
It is an amenable number.
31542411041 is a deficient number, since it is larger than the sum of its proper divisors (1).
31542411041 is an equidigital number, since it uses as much as digits as its factorization.
31542411041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1920, while the sum is 26.
Adding to 31542411041 its reverse (14011424513), we get a palindrome (45553835554).
The spelling of 31542411041 in words is "thirty-one billion, five hundred forty-two million, four hundred eleven thousand, forty-one".
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