Base | Representation |
---|---|
bin | 11000100110011000… |
… | …10010010010100111 |
3 | 1021002102002111200201 |
4 | 30103030102102213 |
5 | 204021430432024 |
6 | 10022301251331 |
7 | 645164465266 |
oct | 142314222247 |
9 | 37072074621 |
10 | 13206889639 |
11 | 5667a43729 |
12 | 2686b63b47 |
13 | 13261cbbc8 |
14 | 8d40225dd |
15 | 5246bc744 |
hex | 3133124a7 |
13206889639 has 8 divisors (see below), whose sum is σ = 13889617920. Its totient is φ = 12533204376.
The previous prime is 13206889627. The next prime is 13206889649. The reversal of 13206889639 is 93698860231.
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 13206889639 - 27 = 13206889511 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 13206889639.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13206889649) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2257759 + ... + 2263600.
It is an arithmetic number, because the mean of its divisors is an integer number (1736202240).
Almost surely, 213206889639 is an apocalyptic number.
13206889639 is a deficient number, since it is larger than the sum of its proper divisors (682728281).
13206889639 is a wasteful number, since it uses less digits than its factorization.
13206889639 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4521509.
The product of its (nonzero) digits is 3359232, while the sum is 55.
The spelling of 13206889639 in words is "thirteen billion, two hundred six million, eight hundred eighty-nine thousand, six hundred thirty-nine".
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