Base | Representation |
---|---|
bin | 11100001111110100… |
… | …100111001010100111 |
3 | 2220021202122212201210 |
4 | 130033310213022213 |
5 | 444104014034343 |
6 | 21533345522503 |
7 | 2122416424641 |
oct | 341764471247 |
9 | 86252585653 |
10 | 30330221223 |
11 | 1195468a135 |
12 | 5a65643433 |
13 | 2b24914783 |
14 | 167a247891 |
15 | bc7b07333 |
hex | 70fd272a7 |
30330221223 has 32 divisors (see below), whose sum is σ = 42603538432. Its totient is φ = 19168617600.
The previous prime is 30330221209. The next prime is 30330221231. The reversal of 30330221223 is 32212203303.
It is not a de Polignac number, because 30330221223 - 213 = 30330213031 is a prime.
It is a super-2 number, since 2×303302212232 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30330221223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30330221293) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1114365 + ... + 1141257.
It is an arithmetic number, because the mean of its divisors is an integer number (1331360576).
Almost surely, 230330221223 is an apocalyptic number.
30330221223 is a deficient number, since it is larger than the sum of its proper divisors (12273317209).
30330221223 is a wasteful number, since it uses less digits than its factorization.
30330221223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27175.
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 30330221223 its reverse (32212203303), we get a palindrome (62542424526).
The spelling of 30330221223 in words is "thirty billion, three hundred thirty million, two hundred twenty-one thousand, two hundred twenty-three".
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