Base | Representation |
---|---|
bin | 11100001001111010… |
… | …111010100000101101 |
3 | 2220000212100120220112 |
4 | 130021322322200231 |
5 | 443403142210104 |
6 | 21515451425405 |
7 | 2120105021366 |
oct | 341172724055 |
9 | 86025316815 |
10 | 30231210029 |
11 | 119038035a9 |
12 | 5a38455265 |
13 | 2b0a259077 |
14 | 166b032b6d |
15 | bbe09a86e |
hex | 709eba82d |
30231210029 has 2 divisors, whose sum is σ = 30231210030. Its totient is φ = 30231210028.
The previous prime is 30231210001. The next prime is 30231210049. The reversal of 30231210029 is 92001213203.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29653528804 + 577681225 = 172202^2 + 24035^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30231210029 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30231209986 and 30231210013.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30231210049) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115605014 + 15115605015.
It is an arithmetic number, because the mean of its divisors is an integer number (15115605015).
Almost surely, 230231210029 is an apocalyptic number.
It is an amenable number.
30231210029 is a deficient number, since it is larger than the sum of its proper divisors (1).
30231210029 is an equidigital number, since it uses as much as digits as its factorization.
30231210029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 23.
The spelling of 30231210029 in words is "thirty billion, two hundred thirty-one million, two hundred ten thousand, twenty-nine".
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