Base | Representation |
---|---|
bin | 11000100000101110… |
… | …11101000111010101 |
3 | 1020222002220011000000 |
4 | 30100113131013111 |
5 | 203422312022114 |
6 | 10013445241513 |
7 | 644050533063 |
oct | 142027350725 |
9 | 36862804000 |
10 | 13159485909 |
11 | 5643206599 |
12 | 2673103299 |
13 | 131944246b |
14 | 8cba03033 |
15 | 520456e09 |
hex | 3105dd1d5 |
13159485909 has 56 divisors (see below), whose sum is σ = 20228019840. Its totient is φ = 8554470912.
The previous prime is 13159485907. The next prime is 13159485917. The reversal of 13159485909 is 90958495131.
13159485909 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 9 + 48 + 590 + 9 = 666.
13159485909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13159485909 - 21 = 13159485907 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13159485901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4778677 + ... + 4781429.
It is an arithmetic number, because the mean of its divisors is an integer number (361214640).
Almost surely, 213159485909 is an apocalyptic number.
It is an amenable number.
13159485909 is a deficient number, since it is larger than the sum of its proper divisors (7068533931).
13159485909 is an frugal number, since it uses more digits than its factorization.
13159485909 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2933 (or 2918 counting only the distinct ones).
The product of its (nonzero) digits is 1749600, while the sum is 54.
The spelling of 13159485909 in words is "thirteen billion, one hundred fifty-nine million, four hundred eighty-five thousand, nine hundred nine".
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