Base | Representation |
---|---|
bin | 10011010110111100001… |
… | …111101101100110100101 |
3 | 11201011202010000221211002 |
4 | 103112330033231212211 |
5 | 133243430100130041 |
6 | 2455044404523045 |
7 | 165053103014255 |
oct | 23267417554645 |
9 | 4634663027732 |
10 | 1330303130021 |
11 | 4731a64882a8 |
12 | 1959a39b0485 |
13 | 985a7214bc8 |
14 | 4855bd7d965 |
15 | 2490e47a59b |
hex | 135bc3ed9a5 |
1330303130021 has 8 divisors (see below), whose sum is σ = 1357478880120. Its totient is φ = 1303204257472.
The previous prime is 1330303130011. The next prime is 1330303130027. The reversal of 1330303130021 is 1200313030331.
It can be written as a sum of positive squares in 4 ways, for example, as 329280868900 + 1001022261121 = 573830^2 + 1000511^2 .
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 1330303130021 - 210 = 1330303128997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1330303129975 and 1330303130002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1330303130027) 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, 19184426 + ... + 19253643.
It is an arithmetic number, because the mean of its divisors is an integer number (169684860015).
Almost surely, 21330303130021 is an apocalyptic number.
It is an amenable number.
1330303130021 is a deficient number, since it is larger than the sum of its proper divisors (27175750099).
1330303130021 is an equidigital number, since it uses as much as digits as its factorization.
1330303130021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38438775.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 1330303130021 its reverse (1200313030331), we get a palindrome (2530616160352).
The spelling of 1330303130021 in words is "one trillion, three hundred thirty billion, three hundred three million, one hundred thirty thousand, twenty-one".
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