Base | Representation |
---|---|
bin | 11000011010100100… |
… | …01101110011000101 |
3 | 1020211111121020221011 |
4 | 30031102031303011 |
5 | 203321042441210 |
6 | 10004401122221 |
7 | 642552204250 |
oct | 141522156305 |
9 | 36744536834 |
10 | 13107780805 |
11 | 56170007a9 |
12 | 2659929371 |
13 | 130b80ac22 |
14 | 8c4bc4097 |
15 | 51ab41d8a |
hex | 30d48dcc5 |
13107780805 has 8 divisors (see below), whose sum is σ = 17976385152. Its totient is φ = 8988192528.
The previous prime is 13107780761. The next prime is 13107780821. The reversal of 13107780805 is 50808770131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13107780805 - 217 = 13107649733 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, 187253977 + ... + 187254046.
It is an arithmetic number, because the mean of its divisors is an integer number (2247048144).
Almost surely, 213107780805 is an apocalyptic number.
It is an amenable number.
13107780805 is a deficient number, since it is larger than the sum of its proper divisors (4868604347).
13107780805 is an equidigital number, since it uses as much as digits as its factorization.
13107780805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374508035.
The product of its (nonzero) digits is 47040, while the sum is 40.
The spelling of 13107780805 in words is "thirteen billion, one hundred seven million, seven hundred eighty thousand, eight hundred five".
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