Base | Representation |
---|---|
bin | 11100001001010000… |
… | …100101000011111011 |
3 | 2220000002110202102222 |
4 | 130021100211003323 |
5 | 443342322041443 |
6 | 21514413514255 |
7 | 2116611500105 |
oct | 341120450373 |
9 | 86002422388 |
10 | 30220112123 |
11 | 118a8513583 |
12 | 5a347a298b |
13 | 2b07b71866 |
14 | 1669784575 |
15 | bbd107468 |
hex | 7094250fb |
30220112123 has 16 divisors (see below), whose sum is σ = 32603351040. Its totient is φ = 27920491200.
The previous prime is 30220112113. The next prime is 30220112129. The reversal of 30220112123 is 32121102203.
It is a cyclic number.
It is not a de Polignac number, because 30220112123 - 24 = 30220112107 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30220112129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190718 + ... + 311148.
It is an arithmetic number, because the mean of its divisors is an integer number (2037709440).
Almost surely, 230220112123 is an apocalyptic number.
30220112123 is a deficient number, since it is larger than the sum of its proper divisors (2383238917).
30220112123 is a wasteful number, since it uses less digits than its factorization.
30220112123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120778.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 30220112123 its reverse (32121102203), we get a palindrome (62341214326).
The spelling of 30220112123 in words is "thirty billion, two hundred twenty million, one hundred twelve thousand, one hundred twenty-three".
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