Base | Representation |
---|---|
bin | 100111101001001… |
… | …1001000100001011 |
3 | 10102201001020121102 |
4 | 1033102121010023 |
5 | 10211014040243 |
6 | 335555132015 |
7 | 44651460164 |
oct | 11722310413 |
9 | 3381036542 |
10 | 1330221323 |
11 | 622969a72 |
12 | 3115a400b |
13 | 182789912 |
14 | c894a76b |
15 | 7bbae9b8 |
hex | 4f49910b |
1330221323 has 8 divisors (see below), whose sum is σ = 1346531040. Its totient is φ = 1313942080.
The previous prime is 1330221317. The next prime is 1330221337. The reversal of 1330221323 is 3231220331.
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 1330221323 - 26 = 1330221259 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1330221295 and 1330221304.
It is not an unprimeable number, because it can be changed into a prime (1330221023) 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, 87386 + ... + 101472.
It is an arithmetic number, because the mean of its divisors is an integer number (168316380).
Almost surely, 21330221323 is an apocalyptic number.
1330221323 is a deficient number, since it is larger than the sum of its proper divisors (16309717).
1330221323 is a wasteful number, since it uses less digits than its factorization.
1330221323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15237.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 1330221323 is about 36472.1993167399. The cubic root of 1330221323 is about 1099.7854465841.
Adding to 1330221323 its reverse (3231220331), we get a palindrome (4561441654).
The spelling of 1330221323 in words is "one billion, three hundred thirty million, two hundred twenty-one thousand, three hundred twenty-three".
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