Base | Representation |
---|---|
bin | 11100001001010000… |
… | …010001100101000001 |
3 | 2220000002022200222100 |
4 | 130021100101211001 |
5 | 443342312013241 |
6 | 21514412101013 |
7 | 2116611015333 |
oct | 341120214501 |
9 | 86002280870 |
10 | 30220032321 |
11 | 118a8469626 |
12 | 5a34764769 |
13 | 2b07b4443b |
14 | 1669763453 |
15 | bbd0dd9b6 |
hex | 709411941 |
30220032321 has 12 divisors (see below), whose sum is σ = 43653364560. Its totient is φ = 20145669720.
The previous prime is 30220032299. The next prime is 30220032329. The reversal of 30220032321 is 12323002203.
It is a happy number.
30220032321 is a `hidden beast` number, since 302 + 20 + 0 + 323 + 21 = 666.
It is not a de Polignac number, because 30220032321 - 217 = 30219901249 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30220032294 and 30220032303.
It is not an unprimeable number, because it can be changed into a prime (30220032329) 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, 132286 + ... + 279176.
It is an arithmetic number, because the mean of its divisors is an integer number (3637780380).
Almost surely, 230220032321 is an apocalyptic number.
It is an amenable number.
30220032321 is a deficient number, since it is larger than the sum of its proper divisors (13433332239).
30220032321 is a wasteful number, since it uses less digits than its factorization.
30220032321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169756 (or 169753 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30220032321 its reverse (12323002203), we get a palindrome (42543034524).
The spelling of 30220032321 in words is "thirty billion, two hundred twenty million, thirty-two thousand, three hundred twenty-one".
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