Base | Representation |
---|---|
bin | 11100001001111010… |
… | …111111010111101101 |
3 | 2220000212101121012201 |
4 | 130021322333113231 |
5 | 443403143324213 |
6 | 21515452101501 |
7 | 2120105133412 |
oct | 341172772755 |
9 | 86025347181 |
10 | 30231229933 |
11 | 11903817553 |
12 | 5a38464891 |
13 | 2b0a265148 |
14 | 166b03a109 |
15 | bbe0a16dd |
hex | 709ebf5ed |
30231229933 has 2 divisors, whose sum is σ = 30231229934. Its totient is φ = 30231229932.
The previous prime is 30231229927. The next prime is 30231230041. The reversal of 30231229933 is 33992213203.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 30073802724 + 157427209 = 173418^2 + 12547^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30231229933 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30231229892 and 30231229901.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30231229433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115614966 + 15115614967.
It is an arithmetic number, because the mean of its divisors is an integer number (15115614967).
Almost surely, 230231229933 is an apocalyptic number.
It is an amenable number.
30231229933 is a deficient number, since it is larger than the sum of its proper divisors (1).
30231229933 is an equidigital number, since it uses as much as digits as its factorization.
30231229933 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 52488, while the sum is 37.
The spelling of 30231229933 in words is "thirty billion, two hundred thirty-one million, two hundred twenty-nine thousand, nine hundred thirty-three".
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