Base | Representation |
---|---|
bin | 11000101010011110… |
… | …10000110000011101 |
3 | 1021011210200212212220 |
4 | 30111033100300131 |
5 | 204104223133341 |
6 | 10025525215553 |
7 | 646062356151 |
oct | 142517206035 |
9 | 37153625786 |
10 | 13241224221 |
11 | 5685364815 |
12 | 26965615b9 |
13 | 1330360b24 |
14 | 8d87dd061 |
15 | 527700a66 |
hex | 3153d0c1d |
13241224221 has 16 divisors (see below), whose sum is σ = 18112782336. Its totient is φ = 8599648176.
The previous prime is 13241224159. The next prime is 13241224229. The reversal of 13241224221 is 12242214231.
It is not a de Polignac number, because 13241224221 - 210 = 13241223197 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13241224191 and 13241224200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13241224229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84595 + ... + 183408.
It is an arithmetic number, because the mean of its divisors is an integer number (1132048896).
Almost surely, 213241224221 is an apocalyptic number.
It is an amenable number.
13241224221 is a deficient number, since it is larger than the sum of its proper divisors (4871558115).
13241224221 is a wasteful number, since it uses less digits than its factorization.
13241224221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268432.
The product of its digits is 1536, while the sum is 24.
Adding to 13241224221 its reverse (12242214231), we get a palindrome (25483438452).
The spelling of 13241224221 in words is "thirteen billion, two hundred forty-one million, two hundred twenty-four thousand, two hundred twenty-one".
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