Base | Representation |
---|---|
bin | 11000101001010000… |
… | …10110000010001111 |
3 | 1021011002111120101010 |
4 | 30110220112002033 |
5 | 204044120202343 |
6 | 10024522420303 |
7 | 645606555546 |
oct | 142450260217 |
9 | 37132446333 |
10 | 13231022223 |
11 | 567a626911 |
12 | 2693061693 |
13 | 132b1cb343 |
14 | 8d730515d |
15 | 526887d33 |
hex | 314a1608f |
13231022223 has 8 divisors (see below), whose sum is σ = 17673973936. Its totient is φ = 8804376000.
The previous prime is 13231022221. The next prime is 13231022249. The reversal of 13231022223 is 32222013231.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13231022223 - 21 = 13231022221 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13231022223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13231022221) 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, 4074478 + ... + 4077723.
It is an arithmetic number, because the mean of its divisors is an integer number (2209246742).
Almost surely, 213231022223 is an apocalyptic number.
13231022223 is a deficient number, since it is larger than the sum of its proper divisors (4442951713).
13231022223 is an equidigital number, since it uses as much as digits as its factorization.
13231022223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8152745.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 13231022223 its reverse (32222013231), we get a palindrome (45453035454).
The spelling of 13231022223 in words is "thirteen billion, two hundred thirty-one million, twenty-two thousand, two hundred twenty-three".
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