Base | Representation |
---|---|
bin | 11100001001010001… |
… | …000010101000010001 |
3 | 2220000002200220120112 |
4 | 130021101002220101 |
5 | 443342334430413 |
6 | 21514420251105 |
7 | 2116612513151 |
oct | 341121025021 |
9 | 86002626515 |
10 | 30220233233 |
11 | 118a8596573 |
12 | 5a34840a95 |
13 | 2b07bb4a18 |
14 | 16697b6761 |
15 | bbd12d2a8 |
hex | 709442a11 |
30220233233 has 4 divisors (see below), whose sum is σ = 30221808240. Its totient is φ = 30218658228.
The previous prime is 30220233179. The next prime is 30220233259. The reversal of 30220233233 is 33233202203.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33233202203 = 53 ⋅627041551.
It is a cyclic number.
It is not a de Polignac number, because 30220233233 - 210 = 30220232209 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30220233199 and 30220233208.
It is not an unprimeable number, because it can be changed into a prime (30220233833) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758363 + ... + 797216.
It is an arithmetic number, because the mean of its divisors is an integer number (7555452060).
Almost surely, 230220233233 is an apocalyptic number.
It is an amenable number.
30220233233 is a deficient number, since it is larger than the sum of its proper divisors (1575007).
30220233233 is a wasteful number, since it uses less digits than its factorization.
30220233233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1575006.
The product of its (nonzero) digits is 3888, while the sum is 23.
Adding to 30220233233 its reverse (33233202203), we get a palindrome (63453435436).
The spelling of 30220233233 in words is "thirty billion, two hundred twenty million, two hundred thirty-three thousand, two hundred thirty-three".
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