Base | Representation |
---|---|
bin | 11100001110101111… |
… | …001001001001010010 |
3 | 2220020111101200001222 |
4 | 130032233021021102 |
5 | 444034333312242 |
6 | 21531455325042 |
7 | 2122105556636 |
oct | 341657111122 |
9 | 86214350058 |
10 | 30312010322 |
11 | 11945381000 |
12 | 5a5b520782 |
13 | 2b20c097a9 |
14 | 1677a66dc6 |
15 | bc620b5d2 |
hex | 70ebc9252 |
30312010322 has 32 divisors (see below), whose sum is σ = 50831532288. Its totient is φ = 13552242000.
The previous prime is 30312010321. The next prime is 30312010349. The reversal of 30312010322 is 22301021303.
It is a super-2 number, since 2×303120103222 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30312010322.
It is not an unprimeable number, because it can be changed into a prime (30312010321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69047 + ... + 255717.
It is an arithmetic number, because the mean of its divisors is an integer number (1588485384).
Almost surely, 230312010322 is an apocalyptic number.
30312010322 is a deficient number, since it is larger than the sum of its proper divisors (20519521966).
30312010322 is a wasteful number, since it uses less digits than its factorization.
30312010322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186767 (or 186745 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30312010322 its reverse (22301021303), we get a palindrome (52613031625).
The spelling of 30312010322 in words is "thirty billion, three hundred twelve million, ten thousand, three hundred twenty-two".
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