Base | Representation |
---|---|
bin | 11111011010110001101010… |
… | …10110110000010111110101 |
3 | 100001121220200201010000010211 |
4 | 33231120311112300113311 |
5 | 33023431241201044310 |
6 | 402535215444545421 |
7 | 20360366066341243 |
oct | 1755306526602765 |
9 | 301556621100124 |
10 | 69089739081205 |
11 | 20017880600157 |
12 | 78ba0799b2271 |
13 | 2c72199496c1b |
14 | 130bd657db793 |
15 | 7ec2b176bc8a |
hex | 3ed6355b05f5 |
69089739081205 has 8 divisors (see below), whose sum is σ = 83016632614104. Its totient is φ = 55199160787200.
The previous prime is 69089739081193. The next prime is 69089739081221. The reversal of 69089739081205 is 50218093798096.
It can be written as a sum of positive squares in 4 ways, for example, as 516732383281 + 68573006697924 = 718841^2 + 8280882^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 69089739081205 - 221 = 69089736984053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9078805536 + ... + 9078813145.
It is an arithmetic number, because the mean of its divisors is an integer number (10377079076763).
Almost surely, 269089739081205 is an apocalyptic number.
It is an amenable number.
69089739081205 is a deficient number, since it is larger than the sum of its proper divisors (13926893532899).
69089739081205 is a wasteful number, since it uses less digits than its factorization.
69089739081205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18157619447.
The product of its (nonzero) digits is 58786560, while the sum is 67.
The spelling of 69089739081205 in words is "sixty-nine trillion, eighty-nine billion, seven hundred thirty-nine million, eighty-one thousand, two hundred five".
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