Base | Representation |
---|---|
bin | 11001011010010110… |
… | …11001000001100001 |
3 | 1022012210110020021201 |
4 | 30231023121001201 |
5 | 210420033101224 |
6 | 10133433521201 |
7 | 662040263611 |
oct | 145513310141 |
9 | 38183406251 |
10 | 13642862689 |
11 | 5871049735 |
12 | 2788b73201 |
13 | 1395627121 |
14 | 935caca41 |
15 | 54cad9a44 |
hex | 32d2d9061 |
13642862689 has 8 divisors (see below), whose sum is σ = 14726928960. Its totient is φ = 12599704656.
The previous prime is 13642862683. The next prime is 13642862741. The reversal of 13642862689 is 98626824631.
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 13642862689 - 225 = 13609308257 is a prime.
It is a super-2 number, since 2×136428626892 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13642862683) 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, 10226367 + ... + 10227700.
It is an arithmetic number, because the mean of its divisors is an integer number (1840866120).
Almost surely, 213642862689 is an apocalyptic number.
It is an amenable number.
13642862689 is a deficient number, since it is larger than the sum of its proper divisors (1084066271).
13642862689 is a wasteful number, since it uses less digits than its factorization.
13642862689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20454119.
The product of its digits is 5971968, while the sum is 55.
The spelling of 13642862689 in words is "thirteen billion, six hundred forty-two million, eight hundred sixty-two thousand, six hundred eighty-nine".
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