Base | Representation |
---|---|
bin | 100111101011010… |
… | …0011110101011101 |
3 | 10102210002202111102 |
4 | 1033112203311131 |
5 | 10211304022023 |
6 | 340034402445 |
7 | 44663660651 |
oct | 11726436535 |
9 | 3383082442 |
10 | 1331314013 |
11 | 623545a17 |
12 | 311a30425 |
13 | 182a80093 |
14 | c8b52a61 |
15 | 7bd28628 |
hex | 4f5a3d5d |
1331314013 has 16 divisors (see below), whose sum is σ = 1445247936. Its totient is φ = 1221454080.
The previous prime is 1331314007. The next prime is 1331314043. The reversal of 1331314013 is 3104131331.
It is a de Polignac number, because none of the positive numbers 2k-1331314013 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 (1331314043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446618 + ... + 449588.
It is an arithmetic number, because the mean of its divisors is an integer number (90327996).
Almost surely, 21331314013 is an apocalyptic number.
It is an amenable number.
1331314013 is a deficient number, since it is larger than the sum of its proper divisors (113933923).
1331314013 is a wasteful number, since it uses less digits than its factorization.
1331314013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3644.
The product of its (nonzero) digits is 324, while the sum is 20.
The square root of 1331314013 is about 36487.1760074687. The cubic root of 1331314013 is about 1100.0864981567.
Adding to 1331314013 its reverse (3104131331), we get a palindrome (4435445344).
The spelling of 1331314013 in words is "one billion, three hundred thirty-one million, three hundred fourteen thousand, thirteen".
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