Base | Representation |
---|---|
bin | 11100010101110110… |
… | …101101010111000111 |
3 | 2220112211010000210221 |
4 | 130111312231113013 |
5 | 444310421343213 |
6 | 21551403125211 |
7 | 2125055631313 |
oct | 342566552707 |
9 | 86484100727 |
10 | 30431434183 |
11 | 119a6829a07 |
12 | 5a93513807 |
13 | 2b3c8913b7 |
14 | 1689872b43 |
15 | bd194b38d |
hex | 715dad5c7 |
30431434183 has 2 divisors, whose sum is σ = 30431434184. Its totient is φ = 30431434182.
The previous prime is 30431434157. The next prime is 30431434217. The reversal of 30431434183 is 38143413403.
It is an a-pointer prime, because the next prime (30431434217) can be obtained adding 30431434183 to its sum of digits (34).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30431434183 - 225 = 30397879751 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30431414183) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215717091 + 15215717092.
It is an arithmetic number, because the mean of its divisors is an integer number (15215717092).
Almost surely, 230431434183 is an apocalyptic number.
30431434183 is a deficient number, since it is larger than the sum of its proper divisors (1).
30431434183 is an equidigital number, since it uses as much as digits as its factorization.
30431434183 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 41472, while the sum is 34.
Adding to 30431434183 its reverse (38143413403), we get a palindrome (68574847586).
The spelling of 30431434183 in words is "thirty billion, four hundred thirty-one million, four hundred thirty-four thousand, one hundred eighty-three".
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