Base | Representation |
---|---|
bin | 11000101001010000… |
… | …10110000000110101 |
3 | 1021011002111120020210 |
4 | 30110220112000311 |
5 | 204044120202013 |
6 | 10024522420033 |
7 | 645606555360 |
oct | 142450260065 |
9 | 37132446223 |
10 | 13231022133 |
11 | 567a62683a |
12 | 2693061619 |
13 | 132b1cb2a4 |
14 | 8d73050d7 |
15 | 526887cc3 |
hex | 314a16035 |
13231022133 has 8 divisors (see below), whose sum is σ = 20161557568. Its totient is φ = 7560584064.
The previous prime is 13231022117. The next prime is 13231022143. The reversal of 13231022133 is 33122013231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13231022133 - 24 = 13231022117 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 630048673 = 13231022133 / (1 + 3 + 2 + 3 + 1 + 0 + 2 + 2 + 1 + 3 + 3).
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13231022143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315024316 + ... + 315024357.
It is an arithmetic number, because the mean of its divisors is an integer number (2520194696).
Almost surely, 213231022133 is an apocalyptic number.
It is an amenable number.
13231022133 is a deficient number, since it is larger than the sum of its proper divisors (6930535435).
13231022133 is an equidigital number, since it uses as much as digits as its factorization.
13231022133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 630048683.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 13231022133 its reverse (33122013231), we get a palindrome (46353035364).
The spelling of 13231022133 in words is "thirteen billion, two hundred thirty-one million, twenty-two thousand, one hundred thirty-three".
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