Base | Representation |
---|---|
bin | 1011101010100101… |
… | …1001001001001001 |
3 | 22002020022021011200 |
4 | 2322221121021021 |
5 | 22403120204230 |
6 | 1234421014413 |
7 | 140412400104 |
oct | 27251311111 |
9 | 8066267150 |
10 | 3131413065 |
11 | 1367667a90 |
12 | 734854409 |
13 | 3ab9a6251 |
14 | 219c5373b |
15 | 134da1160 |
hex | baa59249 |
3131413065 has 24 divisors (see below), whose sum is σ = 5921218368. Its totient is φ = 1518260640.
The previous prime is 3131413063. The next prime is 3131413079. The reversal of 3131413065 is 5603141313.
3131413065 is a `hidden beast` number, since 313 + 1 + 41 + 306 + 5 = 666.
It is not a de Polignac number, because 3131413065 - 21 = 3131413063 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (3131413063) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3162549 + ... + 3163538.
It is an arithmetic number, because the mean of its divisors is an integer number (246717432).
Almost surely, 23131413065 is an apocalyptic number.
It is an amenable number.
3131413065 is a deficient number, since it is larger than the sum of its proper divisors (2789805303).
3131413065 is a wasteful number, since it uses less digits than its factorization.
3131413065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6326109 (or 6326106 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 3131413065 is about 55959.0302364149. The cubic root of 3131413065 is about 1463.0082879321.
Adding to 3131413065 its reverse (5603141313), we get a palindrome (8734554378).
The spelling of 3131413065 in words is "three billion, one hundred thirty-one million, four hundred thirteen thousand, sixty-five".
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