Base | Representation |
---|---|
bin | 1101110010011100011010… |
… | …10001001101011101111011 |
3 | 10222100121121212020101111201 |
4 | 12321032031101031131323 |
5 | 12433232433311212111 |
6 | 144253022110435031 |
7 | 6246405231444505 |
oct | 671161521153573 |
9 | 128317555211451 |
10 | 30320544241531 |
11 | 972a963851065 |
12 | 34983a8b02a77 |
13 | 13bc2a461ab9b |
14 | 76b744ba4d75 |
15 | 378a90daa6c1 |
hex | 1b938d44d77b |
30320544241531 has 2 divisors, whose sum is σ = 30320544241532. Its totient is φ = 30320544241530.
The previous prime is 30320544241513. The next prime is 30320544241573. The reversal of 30320544241531 is 13514244502303.
Together with previous prime (30320544241513) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30320544241531 - 25 = 30320544241499 is a prime.
It is a super-2 number, since 2×303205442415312 (a number of 28 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30320544241591) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160272120765 + 15160272120766.
It is an arithmetic number, because the mean of its divisors is an integer number (15160272120766).
Almost surely, 230320544241531 is an apocalyptic number.
30320544241531 is a deficient number, since it is larger than the sum of its proper divisors (1).
30320544241531 is an equidigital number, since it uses as much as digits as its factorization.
30320544241531 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 172800, while the sum is 37.
Adding to 30320544241531 its reverse (13514244502303), we get a palindrome (43834788743834).
The spelling of 30320544241531 in words is "thirty trillion, three hundred twenty billion, five hundred forty-four million, two hundred forty-one thousand, five hundred thirty-one".
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