Base | Representation |
---|---|
bin | 11000110011111000… |
… | …10001001010001011 |
3 | 1021101022011202221000 |
4 | 30121330101022023 |
5 | 204234423144321 |
6 | 10041424350043 |
7 | 651041150532 |
oct | 143174211213 |
9 | 37338152830 |
10 | 13320131211 |
11 | 5715959802 |
12 | 26b8a75323 |
13 | 13437ca85a |
14 | 90509d319 |
15 | 52e5da826 |
hex | 319f1128b |
13320131211 has 8 divisors (see below), whose sum is σ = 19733527760. Its totient is φ = 8880087456.
The previous prime is 13320131189. The next prime is 13320131233. The reversal of 13320131211 is 11213102331.
13320131211 is a `hidden beast` number, since 1 + 3 + 320 + 131 + 211 = 666.
It is an interprime number because it is at equal distance from previous prime (13320131189) and next prime (13320131233).
It is not a de Polignac number, because 13320131211 - 25 = 13320131179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13320131711) 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, 246669070 + ... + 246669123.
It is an arithmetic number, because the mean of its divisors is an integer number (2466690970).
Almost surely, 213320131211 is an apocalyptic number.
13320131211 is a deficient number, since it is larger than the sum of its proper divisors (6413396549).
13320131211 is an equidigital number, since it uses as much as digits as its factorization.
13320131211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493338202 (or 493338196 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 13320131211 its reverse (11213102331), we get a palindrome (24533233542).
The spelling of 13320131211 in words is "thirteen billion, three hundred twenty million, one hundred thirty-one thousand, two hundred eleven".
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