Base | Representation |
---|---|
bin | 11100001001010000… |
… | …001111011000100011 |
3 | 2220000002022020122101 |
4 | 130021100033120203 |
5 | 443342311221311 |
6 | 21514411551231 |
7 | 2116610650201 |
oct | 341120173043 |
9 | 86002266571 |
10 | 30220023331 |
11 | 118a84628a3 |
12 | 5a3475b517 |
13 | 2b07b40314 |
14 | 1669760071 |
15 | bbd0daec1 |
hex | 70940f623 |
30220023331 has 12 divisors (see below), whose sum is σ = 30522145000. Its totient is φ = 29920756320.
The previous prime is 30220023329. The next prime is 30220023371. The reversal of 30220023331 is 13332002203.
It is a happy number.
It is not a de Polignac number, because 30220023331 - 21 = 30220023329 is a prime.
It is a super-2 number, since 2×302200233312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30220023299 and 30220023308.
It is not an unprimeable number, because it can be changed into a prime (30220023371) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8561575 + ... + 8565103.
Almost surely, 230220023331 is an apocalyptic number.
30220023331 is a deficient number, since it is larger than the sum of its proper divisors (302121669).
30220023331 is an equidigital number, since it uses as much as digits as its factorization.
30220023331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4290 (or 4159 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 30220023331 its reverse (13332002203), we get a palindrome (43552025534).
The spelling of 30220023331 in words is "thirty billion, two hundred twenty million, twenty-three thousand, three hundred thirty-one".
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