Base | Representation |
---|---|
bin | 10011000111001111011… |
… | …000111011011101111111 |
3 | 11122120020012102222021200 |
4 | 103013033120323131333 |
5 | 133004413234202111 |
6 | 2443215452430543 |
7 | 163615243365246 |
oct | 23071730733577 |
9 | 4576205388250 |
10 | 1313444444031 |
11 | 467035168a65 |
12 | 192679a78453 |
13 | 96b1b59bc75 |
14 | 477dcd6795d |
15 | 242743b9256 |
hex | 131cf63b77f |
1313444444031 has 12 divisors (see below), whose sum is σ = 1997050032120. Its totient is φ = 829543859280.
The previous prime is 1313444444017. The next prime is 1313444444087. The reversal of 1313444444031 is 1304444443131.
1313444444031 is a `hidden beast` number, since 13 + 134 + 4 + 44 + 440 + 31 = 666.
It is not a de Polignac number, because 1313444444031 - 25 = 1313444443999 is a prime.
It is a super-2 number, since 2×13134444440312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1313444444831) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3840480660 + ... + 3840481001.
It is an arithmetic number, because the mean of its divisors is an integer number (166420836010).
Almost surely, 21313444444031 is an apocalyptic number.
1313444444031 is a deficient number, since it is larger than the sum of its proper divisors (683605588089).
1313444444031 is a wasteful number, since it uses less digits than its factorization.
1313444444031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7680961686 (or 7680961683 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 36.
Adding to 1313444444031 its reverse (1304444443131), we get a palindrome (2617888887162).
The spelling of 1313444444031 in words is "one trillion, three hundred thirteen billion, four hundred forty-four million, four hundred forty-four thousand, thirty-one".
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