Base | Representation |
---|---|
bin | 11100001110110000… |
… | …010011000010110011 |
3 | 2220020111222001021200 |
4 | 130032300103002303 |
5 | 444034423004021 |
6 | 21531510022243 |
7 | 2122111260261 |
oct | 341660230263 |
9 | 86214861250 |
10 | 30312313011 |
11 | 11945568462 |
12 | 5a5b647983 |
13 | 2b20cb44b6 |
14 | 1677b05431 |
15 | bc626b126 |
hex | 70ec130b3 |
30312313011 has 48 divisors (see below), whose sum is σ = 45538658880. Its totient is φ = 19413561600.
The previous prime is 30312312977. The next prime is 30312313037. The reversal of 30312313011 is 11031321303.
It is a happy number.
30312313011 is a `hidden beast` number, since 30 + 312 + 313 + 0 + 11 = 666.
It is not a de Polignac number, because 30312313011 - 210 = 30312311987 is a prime.
It is a super-2 number, since 2×303123130112 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30312313051) 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, 14763861 + ... + 14765913.
It is an arithmetic number, because the mean of its divisors is an integer number (948722060).
Almost surely, 230312313011 is an apocalyptic number.
30312313011 is a deficient number, since it is larger than the sum of its proper divisors (15226345869).
30312313011 is a wasteful number, since it uses less digits than its factorization.
30312313011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2636 (or 2633 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 30312313011 its reverse (11031321303), we get a palindrome (41343634314).
The spelling of 30312313011 in words is "thirty billion, three hundred twelve million, three hundred thirteen thousand, eleven".
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