Base | Representation |
---|---|
bin | 11100001001111110… |
… | …011000101100101111 |
3 | 2220000221001211022021 |
4 | 130021332120230233 |
5 | 443403410320421 |
6 | 21515523131011 |
7 | 2120115531604 |
oct | 341176305457 |
9 | 86027054267 |
10 | 30232120111 |
11 | 11904275336 |
12 | 5a38813a67 |
13 | 2b0a4b738b |
14 | 166b1cc6ab |
15 | bbe1ca341 |
hex | 709f98b2f |
30232120111 has 4 divisors (see below), whose sum is σ = 31207349824. Its totient is φ = 29256890400.
The previous prime is 30232120097. The next prime is 30232120181. The reversal of 30232120111 is 11102123203.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11102123203 = 33329 ⋅333107.
It is a cyclic number.
It is not a de Polignac number, because 30232120111 - 227 = 30097902383 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30232120181) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487614810 + ... + 487614871.
It is an arithmetic number, because the mean of its divisors is an integer number (7801837456).
Almost surely, 230232120111 is an apocalyptic number.
30232120111 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
30232120111 is a deficient number, since it is larger than the sum of its proper divisors (975229713).
30232120111 is an equidigital number, since it uses as much as digits as its factorization.
30232120111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 975229712.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 30232120111 its reverse (11102123203), we get a palindrome (41334243314).
The spelling of 30232120111 in words is "thirty billion, two hundred thirty-two million, one hundred twenty thousand, one hundred eleven".
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