Base | Representation |
---|---|
bin | 11100001110101100… |
… | …100011110011111000 |
3 | 2220020110010021010010 |
4 | 130032230203303320 |
5 | 444034200124422 |
6 | 21531433021520 |
7 | 2122100036364 |
oct | 341654436370 |
9 | 86213107103 |
10 | 30311333112 |
11 | 11944a59225 |
12 | 5a5b2548a0 |
13 | 2b20a30488 |
14 | 167792c2a4 |
15 | bc6125b0c |
hex | 70eb23cf8 |
30311333112 has 32 divisors (see below), whose sum is σ = 76261006800. Its totient is φ = 10039421184.
The previous prime is 30311333083. The next prime is 30311333147. The reversal of 30311333112 is 21133311303.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4018437 + ... + 4025972.
Almost surely, 230311333112 is an apocalyptic number.
It is an amenable number.
30311333112 is an abundant number, since it is smaller than the sum of its proper divisors (45949673688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30311333112 is a wasteful number, since it uses less digits than its factorization.
30311333112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8044575 (or 8044571 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 30311333112 its reverse (21133311303), we get a palindrome (51444644415).
The spelling of 30311333112 in words is "thirty billion, three hundred eleven million, three hundred thirty-three thousand, one hundred twelve".
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