Base | Representation |
---|---|
bin | 11100010110010101… |
… | …001001001010011110 |
3 | 2220120101010100211210 |
4 | 130112111021022132 |
5 | 444314442144012 |
6 | 21552250125250 |
7 | 2125213510341 |
oct | 342625111236 |
9 | 86511110753 |
10 | 30439412382 |
11 | 11a00289065 |
12 | 5a96120826 |
13 | 2b41425922 |
14 | 168a94c458 |
15 | bd24c523c |
hex | 71654929e |
30439412382 has 16 divisors (see below), whose sum is σ = 60948252432. Its totient is φ = 10134899520.
The previous prime is 30439412371. The next prime is 30439412417. The reversal of 30439412382 is 28321493403.
It is a super-2 number, since 2×304394123822 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30439412382.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2887119 + ... + 2897642.
It is an arithmetic number, because the mean of its divisors is an integer number (3809265777).
Almost surely, 230439412382 is an apocalyptic number.
30439412382 is an abundant number, since it is smaller than the sum of its proper divisors (30508840050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30439412382 is a wasteful number, since it uses less digits than its factorization.
30439412382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5785643.
The product of its (nonzero) digits is 124416, while the sum is 39.
The spelling of 30439412382 in words is "thirty billion, four hundred thirty-nine million, four hundred twelve thousand, three hundred eighty-two".
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