Base | Representation |
---|---|
bin | 11011111100110011… |
… | …110000011110101011 |
3 | 2212110112102110012121 |
4 | 123330303300132223 |
5 | 442430333330443 |
6 | 21441552452111 |
7 | 2111464150510 |
oct | 337463603653 |
9 | 85415373177 |
10 | 30011230123 |
11 | 11800614426 |
12 | 599684a037 |
13 | 2aa37c7844 |
14 | 1649b2d307 |
15 | ba9ae64ed |
hex | 6fccf07ab |
30011230123 has 16 divisors (see below), whose sum is σ = 34413004800. Its totient is φ = 25638159456.
The previous prime is 30011230121. The next prime is 30011230159. The reversal of 30011230123 is 32103211003.
It is not a de Polignac number, because 30011230123 - 21 = 30011230121 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30011230097 and 30011230106.
It is not an unprimeable number, because it can be changed into a prime (30011230121) 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, 6546090 + ... + 6550672.
It is an arithmetic number, because the mean of its divisors is an integer number (2150812800).
Almost surely, 230011230123 is an apocalyptic number.
30011230123 is a deficient number, since it is larger than the sum of its proper divisors (4401774677).
30011230123 is a wasteful number, since it uses less digits than its factorization.
30011230123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7506.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30011230123 its reverse (32103211003), we get a palindrome (62114441126).
The spelling of 30011230123 in words is "thirty billion, eleven million, two hundred thirty thousand, one hundred twenty-three".
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