Base | Representation |
---|---|
bin | 100111101011010… |
… | …0110011000000111 |
3 | 10102210010021202222 |
4 | 1033112212120013 |
5 | 10211304340143 |
6 | 340034522555 |
7 | 44664033212 |
oct | 11726463007 |
9 | 3383107688 |
10 | 1331324423 |
11 | 623552820 |
12 | 311a3645b |
13 | 182a84a40 |
14 | c8b56779 |
15 | 7bd2b768 |
hex | 4f5a6607 |
1331324423 has 8 divisors (see below), whose sum is σ = 1564073616. Its totient is φ = 1117195200.
The previous prime is 1331324381. The next prime is 1331324443. The reversal of 1331324423 is 3244231331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1331324423 - 220 = 1330275847 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1331324392 and 1331324401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1331324443) 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, 4654838 + ... + 4655123.
It is an arithmetic number, because the mean of its divisors is an integer number (195509202).
Almost surely, 21331324423 is an apocalyptic number.
1331324423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1331324423 is a deficient number, since it is larger than the sum of its proper divisors (232749193).
1331324423 is a wasteful number, since it uses less digits than its factorization.
1331324423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9309985.
The product of its digits is 5184, while the sum is 26.
The square root of 1331324423 is about 36487.3186600495. The cubic root of 1331324423 is about 1100.0893654669.
Adding to 1331324423 its reverse (3244231331), we get a palindrome (4575555754).
The spelling of 1331324423 in words is "one billion, three hundred thirty-one million, three hundred twenty-four thousand, four hundred twenty-three".
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