Base | Representation |
---|---|
bin | 100111101001101… |
… | …0000110001100001 |
3 | 10102201110211121121 |
4 | 1033103100301201 |
5 | 10211043341010 |
6 | 340004052241 |
7 | 44653430350 |
oct | 11723206141 |
9 | 3381424547 |
10 | 1330449505 |
11 | 623005450 |
12 | 311694081 |
13 | 182839738 |
14 | c89a9997 |
15 | 7bc073da |
hex | 4f4d0c61 |
1330449505 has 32 divisors (see below), whose sum is σ = 1997687808. Its totient is φ = 826372800.
The previous prime is 1330449487. The next prime is 1330449511. The reversal of 1330449505 is 5059440331.
It is not a de Polignac number, because 1330449505 - 211 = 1330447457 is a prime.
It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102850 + ... + 115060.
It is an arithmetic number, because the mean of its divisors is an integer number (62427744).
Almost surely, 21330449505 is an apocalyptic number.
It is an amenable number.
1330449505 is a deficient number, since it is larger than the sum of its proper divisors (667238303).
1330449505 is a wasteful number, since it uses less digits than its factorization.
1330449505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12517.
The product of its (nonzero) digits is 32400, while the sum is 34.
The square root of 1330449505 is about 36475.3273460294. The cubic root of 1330449505 is about 1099.8483275726.
Adding to 1330449505 its reverse (5059440331), we get a palindrome (6389889836).
The spelling of 1330449505 in words is "one billion, three hundred thirty million, four hundred forty-nine thousand, five hundred five".
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