Base | Representation |
---|---|
bin | 100111101001011… |
… | …0001111111011101 |
3 | 10102201020102122211 |
4 | 1033102301333131 |
5 | 10211030322141 |
6 | 340001240421 |
7 | 44652363640 |
oct | 11722617735 |
9 | 3381212584 |
10 | 1330323421 |
11 | 622a29749 |
12 | 311633111 |
13 | 1827c422b |
14 | c8975a57 |
15 | 7bbced81 |
hex | 4f4b1fdd |
1330323421 has 8 divisors (see below), whose sum is σ = 1520934464. Its totient is φ = 1139853600.
The previous prime is 1330323377. The next prime is 1330323469. The reversal of 1330323421 is 1243230331.
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 1330323421 - 227 = 1196105693 is a prime.
It is a super-2 number, since 2×13303234212 = 3539520808922286482, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1330323392 and 1330323401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1330323721) 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, 14280 + ... + 53521.
It is an arithmetic number, because the mean of its divisors is an integer number (190116808).
Almost surely, 21330323421 is an apocalyptic number.
It is an amenable number.
1330323421 is a deficient number, since it is larger than the sum of its proper divisors (190611043).
1330323421 is an equidigital number, since it uses as much as digits as its factorization.
1330323421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70611.
The product of its (nonzero) digits is 1296, while the sum is 22.
The square root of 1330323421 is about 36473.5989586989. The cubic root of 1330323421 is about 1099.8135830103.
Adding to 1330323421 its reverse (1243230331), we get a palindrome (2573553752).
The spelling of 1330323421 in words is "one billion, three hundred thirty million, three hundred twenty-three thousand, four hundred twenty-one".
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