Base | Representation |
---|---|
bin | 11100001011100110… |
… | …110000110101010111 |
3 | 2220002211112221200110 |
4 | 130023212300311113 |
5 | 443432411410233 |
6 | 21522341414103 |
7 | 2120600231655 |
oct | 341346606527 |
9 | 86084487613 |
10 | 30259481943 |
11 | 11918763719 |
12 | 5a45a0a333 |
13 | 2b13077602 |
14 | 1670ab1dd5 |
15 | bc17d2663 |
hex | 70b9b0d57 |
30259481943 has 16 divisors (see below), whose sum is σ = 40985671680. Its totient is φ = 19854752736.
The previous prime is 30259481911. The next prime is 30259481971. The reversal of 30259481943 is 34918495203.
It is not a de Polignac number, because 30259481943 - 25 = 30259481911 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30259481892 and 30259481901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30259481983) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126255 + ... + 276512.
It is an arithmetic number, because the mean of its divisors is an integer number (2561604480).
Almost surely, 230259481943 is an apocalyptic number.
30259481943 is a deficient number, since it is larger than the sum of its proper divisors (10726189737).
30259481943 is a wasteful number, since it uses less digits than its factorization.
30259481943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 403166.
The product of its (nonzero) digits is 933120, while the sum is 48.
The spelling of 30259481943 in words is "thirty billion, two hundred fifty-nine million, four hundred eighty-one thousand, nine hundred forty-three".
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