Base | Representation |
---|---|
bin | 11000101100100001… |
… | …01101101000011101 |
3 | 1021012222222120201202 |
4 | 30112100231220131 |
5 | 204123121204403 |
6 | 10031341045245 |
7 | 646361246333 |
oct | 142620555035 |
9 | 37188876652 |
10 | 13258381853 |
11 | 5694013582 |
12 | 26a0256825 |
13 | 1333a8a582 |
14 | 8dabc7b53 |
15 | 528e8e688 |
hex | 31642da1d |
13258381853 has 6 divisors (see below), whose sum is σ = 13396484826. Its totient is φ = 13121688192.
The previous prime is 13258381841. The next prime is 13258381859. The reversal of 13258381853 is 35818385231.
It can be written as a sum of positive squares in 3 ways, for example, as 272184004 + 12986197849 = 16498^2 + 113957^2 .
It is not a de Polignac number, because 13258381853 - 224 = 13241604637 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13258381798 and 13258381807.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13258381859) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 695150 + ... + 713967.
It is an arithmetic number, because the mean of its divisors is an integer number (2232747471).
Almost surely, 213258381853 is an apocalyptic number.
It is an amenable number.
13258381853 is a deficient number, since it is larger than the sum of its proper divisors (138102973).
13258381853 is an frugal number, since it uses more digits than its factorization.
13258381853 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1409311 (or 1409214 counting only the distinct ones).
The product of its digits is 691200, while the sum is 47.
The spelling of 13258381853 in words is "thirteen billion, two hundred fifty-eight million, three hundred eighty-one thousand, eight hundred fifty-three".
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