Base | Representation |
---|---|
bin | 11100001110101100… |
… | …100011100111101101 |
3 | 2220020110010020001021 |
4 | 130032230203213231 |
5 | 444034200113313 |
6 | 21531433014141 |
7 | 2122100034202 |
oct | 341654434755 |
9 | 86213106037 |
10 | 30311332333 |
11 | 11944a58687 |
12 | 5a5b254351 |
13 | 2b20a30009 |
14 | 167792bca9 |
15 | bc612578d |
hex | 70eb239ed |
30311332333 has 16 divisors (see below), whose sum is σ = 32220342000. Its totient is φ = 28416540672.
The previous prime is 30311332319. The next prime is 30311332351. The reversal of 30311332333 is 33323311303.
It can be written as a sum of positive squares in 8 ways, for example, as 1200830409 + 29110501924 = 34653^2 + 170618^2 .
It is a de Polignac number, because none of the positive numbers 2k-30311332333 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30311332298 and 30311332307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30311335333) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5344023 + ... + 5349691.
It is an arithmetic number, because the mean of its divisors is an integer number (2013771375).
Almost surely, 230311332333 is an apocalyptic number.
It is an amenable number.
30311332333 is a deficient number, since it is larger than the sum of its proper divisors (1909009667).
30311332333 is a wasteful number, since it uses less digits than its factorization.
30311332333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6864.
The product of its (nonzero) digits is 4374, while the sum is 25.
Adding to 30311332333 its reverse (33323311303), we get a palindrome (63634643636).
The spelling of 30311332333 in words is "thirty billion, three hundred eleven million, three hundred thirty-two thousand, three hundred thirty-three".
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