Base | Representation |
---|---|
bin | 11000100110111001… |
… | …10011110010001100 |
3 | 1021002201020120101101 |
4 | 30103130303302030 |
5 | 204024033034012 |
6 | 10022534152444 |
7 | 645246345454 |
oct | 142334636214 |
9 | 37081216341 |
10 | 13211221132 |
11 | 566a431a7a |
12 | 26884b2724 |
13 | 1327087615 |
14 | 8d482cd64 |
15 | 524c75d57 |
hex | 313733c8c |
13211221132 has 48 divisors (see below), whose sum is σ = 24725690080. Its totient is φ = 6158592000.
The previous prime is 13211221123. The next prime is 13211221159. The reversal of 13211221132 is 23112211231.
13211221132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×132112211322 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329382 + ... + 1339282.
Almost surely, 213211221132 is an apocalyptic number.
It is an amenable number.
13211221132 is a deficient number, since it is larger than the sum of its proper divisors (11514468948).
13211221132 is a wasteful number, since it uses less digits than its factorization.
13211221132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10202 (or 10200 counting only the distinct ones).
The product of its digits is 144, while the sum is 19.
Adding to 13211221132 its reverse (23112211231), we get a palindrome (36323432363).
Subtracting 13211221132 from its reverse (23112211231), we obtain a palindrome (9900990099).
The spelling of 13211221132 in words is "thirteen billion, two hundred eleven million, two hundred twenty-one thousand, one hundred thirty-two".
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