Base | Representation |
---|---|
bin | 11000110101001011… |
… | …10110010100010001 |
3 | 1021102001200120001111 |
4 | 30122211312110101 |
5 | 204300221000223 |
6 | 10042454133321 |
7 | 651232616335 |
oct | 143245662421 |
9 | 37361616044 |
10 | 13331031313 |
11 | 5721024156 |
12 | 2700651241 |
13 | 1345b46012 |
14 | 9066d97c5 |
15 | 53054030d |
hex | 31a976511 |
13331031313 has 8 divisors (see below), whose sum is σ = 14046269600. Its totient is φ = 12617153568.
The previous prime is 13331031299. The next prime is 13331031331. The reversal of 13331031313 is 31313013331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13331031313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13331031383) 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, 319983 + ... + 359236.
It is an arithmetic number, because the mean of its divisors is an integer number (1755783700).
Almost surely, 213331031313 is an apocalyptic number.
It is an amenable number.
13331031313 is a deficient number, since it is larger than the sum of its proper divisors (715238287).
13331031313 is a wasteful number, since it uses less digits than its factorization.
13331031313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 680271.
The product of its (nonzero) digits is 729, while the sum is 22.
Adding to 13331031313 its reverse (31313013331), we get a palindrome (44644044644).
The spelling of 13331031313 in words is "thirteen billion, three hundred thirty-one million, thirty-one thousand, three hundred thirteen".
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