Base | Representation |
---|---|
bin | 100111101011010… |
… | …0011101100000111 |
3 | 10102210002201200021 |
4 | 1033112203230013 |
5 | 10211304012130 |
6 | 340034400011 |
7 | 44663656135 |
oct | 11726435407 |
9 | 3383081607 |
10 | 1331313415 |
11 | 623545523 |
12 | 311a30007 |
13 | 182a7ca23 |
14 | c8b52755 |
15 | 7bd2837a |
hex | 4f5a3b07 |
1331313415 has 8 divisors (see below), whose sum is σ = 1598113440. Its totient is φ = 1064692512.
The previous prime is 1331313409. The next prime is 1331313427. The reversal of 1331313415 is 5143131331.
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 1331313415 - 23 = 1331313407 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1331313415.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27844 + ... + 58633.
It is an arithmetic number, because the mean of its divisors is an integer number (199764180).
Almost surely, 21331313415 is an apocalyptic number.
1331313415 is a deficient number, since it is larger than the sum of its proper divisors (266800025).
1331313415 is an equidigital number, since it uses as much as digits as its factorization.
1331313415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89561.
The product of its digits is 1620, while the sum is 25.
The square root of 1331313415 is about 36487.1678128078. The cubic root of 1331313415 is about 1100.0863334443.
Adding to 1331313415 its reverse (5143131331), we get a palindrome (6474444746).
The spelling of 1331313415 in words is "one billion, three hundred thirty-one million, three hundred thirteen thousand, four hundred fifteen".
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