Base | Representation |
---|---|
bin | 11100001110001100… |
… | …110110100000110111 |
3 | 2220012212110222012020 |
4 | 130032030312200313 |
5 | 444030033133421 |
6 | 21530534524223 |
7 | 2121636300216 |
oct | 341614664067 |
9 | 86185428166 |
10 | 30303021111 |
11 | 119402a1300 |
12 | 5a58506673 |
13 | 2b1c0b002c |
14 | 16767a707d |
15 | bc5532dc6 |
hex | 70e336837 |
30303021111 has 48 divisors (see below), whose sum is σ = 46394111232. Its totient is φ = 17547207040.
The previous prime is 30303021083. The next prime is 30303021139. The reversal of 30303021111 is 11112030303.
It is an interprime number because it is at equal distance from previous prime (30303021083) and next prime (30303021139).
It is not a de Polignac number, because 30303021111 - 214 = 30303004727 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30303021181) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10910755 + ... + 10913531.
It is an arithmetic number, because the mean of its divisors is an integer number (966543984).
Almost surely, 230303021111 is an apocalyptic number.
30303021111 is a deficient number, since it is larger than the sum of its proper divisors (16091090121).
30303021111 is a wasteful number, since it uses less digits than its factorization.
30303021111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4132 (or 4121 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 30303021111 its reverse (11112030303), we get a palindrome (41415051414).
The spelling of 30303021111 in words is "thirty billion, three hundred three million, twenty-one thousand, one hundred eleven".
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