Base | Representation |
---|---|
bin | 11000101001010000… |
… | …10110000010001110 |
3 | 1021011002111120101002 |
4 | 30110220112002032 |
5 | 204044120202342 |
6 | 10024522420302 |
7 | 645606555545 |
oct | 142450260216 |
9 | 37132446332 |
10 | 13231022222 |
11 | 567a626910 |
12 | 2693061692 |
13 | 132b1cb342 |
14 | 8d730515c |
15 | 526887d32 |
hex | 314a1608e |
13231022222 has 16 divisors (see below), whose sum is σ = 21667737600. Its totient is φ = 6009386040.
The previous prime is 13231022221. The next prime is 13231022249. The reversal of 13231022222 is 22222013231.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 13231022194 and 13231022203.
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 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, 206972 + ... + 263247.
It is an arithmetic number, because the mean of its divisors is an integer number (1354233600).
Almost surely, 213231022222 is an apocalyptic number.
13231022222 is a deficient number, since it is larger than the sum of its proper divisors (8436715378).
13231022222 is a wasteful number, since it uses less digits than its factorization.
13231022222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471511.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 13231022222 its reverse (22222013231), we get a palindrome (35453035453).
The spelling of 13231022222 in words is "thirteen billion, two hundred thirty-one million, twenty-two thousand, two hundred twenty-two".
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