Base | Representation |
---|---|
bin | 11100010101110111… |
… | …001111111111011101 |
3 | 2220112211101020101111 |
4 | 130111313033333131 |
5 | 444310440413104 |
6 | 21551410142021 |
7 | 2125060062001 |
oct | 342567177735 |
9 | 86484336344 |
10 | 30431576029 |
11 | 119a6916538 |
12 | 5a93581911 |
13 | 2b3c910b2a |
14 | 16898ac701 |
15 | bd1978404 |
hex | 715dcffdd |
30431576029 has 2 divisors, whose sum is σ = 30431576030. Its totient is φ = 30431576028.
The previous prime is 30431576003. The next prime is 30431576051. The reversal of 30431576029 is 92067513403.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28684503225 + 1747072804 = 169365^2 + 41798^2 .
It is an emirp because it is prime and its reverse (92067513403) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30431576029 - 225 = 30398021597 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30431575982 and 30431576000.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30431576099) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215788014 + 15215788015.
It is an arithmetic number, because the mean of its divisors is an integer number (15215788015).
Almost surely, 230431576029 is an apocalyptic number.
It is an amenable number.
30431576029 is a deficient number, since it is larger than the sum of its proper divisors (1).
30431576029 is an equidigital number, since it uses as much as digits as its factorization.
30431576029 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 136080, while the sum is 40.
The spelling of 30431576029 in words is "thirty billion, four hundred thirty-one million, five hundred seventy-six thousand, twenty-nine".
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