Base | Representation |
---|---|
bin | 1011101010100001… |
… | …0100000100011111 |
3 | 22002012202220002002 |
4 | 2322220110010133 |
5 | 22403032131033 |
6 | 1234410552515 |
7 | 140410111211 |
oct | 27250240437 |
9 | 8065686062 |
10 | 3131130143 |
11 | 1367494469 |
12 | 73473873b |
13 | 3ab90753b |
14 | 219bbc5b1 |
15 | 134d473e8 |
hex | baa1411f |
3131130143 has 8 divisors (see below), whose sum is σ = 3226741728. Its totient is φ = 3036096864.
The previous prime is 3131130133. The next prime is 3131130151. The reversal of 3131130143 is 3410311313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-3131130143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3131130133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133571 + ... + 155252.
It is an arithmetic number, because the mean of its divisors is an integer number (403342716).
Almost surely, 23131130143 is an apocalyptic number.
3131130143 is a deficient number, since it is larger than the sum of its proper divisors (95611585).
3131130143 is a wasteful number, since it uses less digits than its factorization.
3131130143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 289153.
The product of its (nonzero) digits is 324, while the sum is 20.
The square root of 3131130143 is about 55956.5022405797. The cubic root of 3131130143 is about 1462.9642258544.
Adding to 3131130143 its reverse (3410311313), we get a palindrome (6541441456).
The spelling of 3131130143 in words is "three billion, one hundred thirty-one million, one hundred thirty thousand, one hundred forty-three".
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