Base | Representation |
---|---|
bin | 11000100110111010… |
… | …01110101011101111 |
3 | 1021002201110011112002 |
4 | 30103131032223233 |
5 | 204024100100221 |
6 | 10022540402515 |
7 | 645250314623 |
oct | 142335165357 |
9 | 37081404462 |
10 | 13211331311 |
11 | 566a4a7832 |
12 | 268854643b |
13 | 13270c5809 |
14 | 8d485b183 |
15 | 524c9880b |
hex | 31374eaef |
13211331311 has 8 divisors (see below), whose sum is σ = 13320473040. Its totient is φ = 13102391232.
The previous prime is 13211331277. The next prime is 13211331317. The reversal of 13211331311 is 11313311231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13211331311 - 26 = 13211331247 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13211331317) 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, 82601 + ... + 182333.
It is an arithmetic number, because the mean of its divisors is an integer number (1665059130).
Almost surely, 213211331311 is an apocalyptic number.
13211331311 is a deficient number, since it is larger than the sum of its proper divisors (109141729).
13211331311 is an equidigital number, since it uses as much as digits as its factorization.
13211331311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100825.
The product of its digits is 162, while the sum is 20.
Adding to 13211331311 its reverse (11313311231), we get a palindrome (24524642542).
The spelling of 13211331311 in words is "thirteen billion, two hundred eleven million, three hundred thirty-one thousand, three hundred eleven".
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