Base | Representation |
---|---|
bin | 10110110001110111… |
… | …10111100101101111 |
3 | 1011120021222100100222 |
4 | 23120323313211233 |
5 | 200021223214224 |
6 | 5341304441555 |
7 | 612026045432 |
oct | 133073674557 |
9 | 34507870328 |
10 | 12229507439 |
11 | 5206268a46 |
12 | 24537792bb |
13 | 11cb880846 |
14 | 8402c1819 |
15 | 4b89a7b5e |
hex | 2d8ef796f |
12229507439 has 8 divisors (see below), whose sum is σ = 12308186880. Its totient is φ = 12150872856.
The previous prime is 12229507421. The next prime is 12229507463. The reversal of 12229507439 is 93470592221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12229507439 - 220 = 12228458863 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12229507439.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12229507139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665594 + ... + 683720.
It is an arithmetic number, because the mean of its divisors is an integer number (1538523360).
Almost surely, 212229507439 is an apocalyptic number.
12229507439 is a deficient number, since it is larger than the sum of its proper divisors (78679441).
12229507439 is a wasteful number, since it uses less digits than its factorization.
12229507439 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22429.
The product of its (nonzero) digits is 272160, while the sum is 44.
The spelling of 12229507439 in words is "twelve billion, two hundred twenty-nine million, five hundred seven thousand, four hundred thirty-nine".
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