Base | Representation |
---|---|
bin | 11100001110001100… |
… | …110001011000111011 |
3 | 2220012212102220101220 |
4 | 130032030301120323 |
5 | 444030032000443 |
6 | 21530534243123 |
7 | 2121636152064 |
oct | 341614613073 |
9 | 86185386356 |
10 | 30303000123 |
11 | 11940287560 |
12 | 5a584b64a3 |
13 | 2b1c0a3606 |
14 | 167679d56b |
15 | bc552ba83 |
hex | 70e33163b |
30303000123 has 32 divisors (see below), whose sum is σ = 48175368192. Its totient is φ = 16727539200.
The previous prime is 30303000113. The next prime is 30303000127. The reversal of 30303000123 is 32100030303.
It is not a de Polignac number, because 30303000123 - 212 = 30302996027 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30303000127) 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, 853836 + ... + 888617.
It is an arithmetic number, because the mean of its divisors is an integer number (1505480256).
Almost surely, 230303000123 is an apocalyptic number.
30303000123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
30303000123 is a deficient number, since it is larger than the sum of its proper divisors (17872368069).
30303000123 is a wasteful number, since it uses less digits than its factorization.
30303000123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1742515.
The product of its (nonzero) digits is 162, while the sum is 15.
Adding to 30303000123 its reverse (32100030303), we get a palindrome (62403030426).
The spelling of 30303000123 in words is "thirty billion, three hundred three million, one hundred twenty-three", and thus it is an aban number.
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