Base | Representation |
---|---|
bin | 100111101010111… |
… | …0110111010011101 |
3 | 10102202202102002121 |
4 | 1033111312322131 |
5 | 10211232130023 |
6 | 340030422541 |
7 | 44662263343 |
oct | 11725667235 |
9 | 3382672077 |
10 | 1331130013 |
11 | 62342a754 |
12 | 311961a51 |
13 | 182a173c5 |
14 | c8b05993 |
15 | 7bcddd5d |
hex | 4f576e9d |
1331130013 has 16 divisors (see below), whose sum is σ = 1380153600. Its totient is φ = 1283293440.
The previous prime is 1331130011. The next prime is 1331130023. The reversal of 1331130013 is 3100311331.
It is a cyclic number.
It is not a de Polignac number, because 1331130013 - 21 = 1331130011 is a prime.
It is a super-2 number, since 2×13311300132 = 3543814223018760338, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1331130011) 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, 582433 + ... + 584713.
It is an arithmetic number, because the mean of its divisors is an integer number (86259600).
Almost surely, 21331130013 is an apocalyptic number.
It is an amenable number.
1331130013 is a deficient number, since it is larger than the sum of its proper divisors (49023587).
1331130013 is an equidigital number, since it uses as much as digits as its factorization.
1331130013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2532.
The product of its (nonzero) digits is 81, while the sum is 16.
The square root of 1331130013 is about 36484.6544865098. The cubic root of 1331130013 is about 1100.0358150873.
Adding to 1331130013 its reverse (3100311331), we get a palindrome (4431441344).
The spelling of 1331130013 in words is "one billion, three hundred thirty-one million, one hundred thirty thousand, thirteen".
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