Base | Representation |
---|---|
bin | 11100111011000010… |
… | …101110011011010001 |
3 | 2222011022002210102122 |
4 | 130323002232123101 |
5 | 1002100131410030 |
6 | 22133331424025 |
7 | 2146403021354 |
oct | 347302563321 |
9 | 88138083378 |
10 | 31055341265 |
11 | 12196a265a3 |
12 | 6028455015 |
13 | 2c0bc0a8a0 |
14 | 170868029b |
15 | c1b5dc8e5 |
hex | 73b0ae6d1 |
31055341265 has 16 divisors (see below), whose sum is σ = 40176334800. Its totient is φ = 22908444672.
The previous prime is 31055341249. The next prime is 31055341271. The reversal of 31055341265 is 56214355013.
It can be written as a sum of positive squares in 8 ways, for example, as 10365683344 + 20689657921 = 101812^2 + 143839^2 .
It is a cyclic number.
It is not a de Polignac number, because 31055341265 - 24 = 31055341249 is a prime.
It is a super-2 number, since 2×310553412652 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196760 + ... + 317529.
It is an arithmetic number, because the mean of its divisors is an integer number (2511020925).
Almost surely, 231055341265 is an apocalyptic number.
It is an amenable number.
31055341265 is a deficient number, since it is larger than the sum of its proper divisors (9120993535).
31055341265 is a wasteful number, since it uses less digits than its factorization.
31055341265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 515236.
The product of its (nonzero) digits is 54000, while the sum is 35.
Adding to 31055341265 its reverse (56214355013), we get a palindrome (87269696278).
The spelling of 31055341265 in words is "thirty-one billion, fifty-five million, three hundred forty-one thousand, two hundred sixty-five".
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