Base | Representation |
---|---|
bin | 11011111100111010… |
… | …111011111100101111 |
3 | 2212110122222001210212 |
4 | 123330322323330233 |
5 | 442431324041421 |
6 | 21442101053035 |
7 | 2111516146403 |
oct | 337472737457 |
9 | 85418861725 |
10 | 30013112111 |
11 | 1180168a394 |
12 | 59973b717b |
13 | 2aa4006348 |
14 | 164a09d103 |
15 | ba9d68e5b |
hex | 6fcebbf2f |
30013112111 has 24 divisors (see below), whose sum is σ = 32118349824. Its totient is φ = 28039533440.
The previous prime is 30013112027. The next prime is 30013112149. The reversal of 30013112111 is 11121131003.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-30013112111 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30013112611) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29110166 + ... + 29111196.
It is an arithmetic number, because the mean of its divisors is an integer number (1338264576).
Almost surely, 230013112111 is an apocalyptic number.
30013112111 is a deficient number, since it is larger than the sum of its proper divisors (2105237713).
30013112111 is a wasteful number, since it uses less digits than its factorization.
30013112111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1711 (or 1694 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 14.
Adding to 30013112111 its reverse (11121131003), we get a palindrome (41134243114).
The spelling of 30013112111 in words is "thirty billion, thirteen million, one hundred twelve thousand, one hundred eleven".
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