Base | Representation |
---|---|
bin | 11000110101010100… |
… | …01110111111111001 |
3 | 1021102010211222002221 |
4 | 30122222032333321 |
5 | 204301014242420 |
6 | 10042534524041 |
7 | 651245445214 |
oct | 143252167771 |
9 | 37363758087 |
10 | 13332180985 |
11 | 57217399a2 |
12 | 2700b06621 |
13 | 13461593b6 |
14 | 90691877b |
15 | 5306bacaa |
hex | 31aa8eff9 |
13332180985 has 4 divisors (see below), whose sum is σ = 15998617188. Its totient is φ = 10665744784.
The previous prime is 13332180937. The next prime is 13332181007. The reversal of 13332180985 is 58908123331.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58908123331 = 35591 ⋅1655141.
It can be written as a sum of positive squares in 2 ways, for example, as 10117744569 + 3214436416 = 100587^2 + 56696^2 .
It is a cyclic number.
It is not a de Polignac number, because 13332180985 - 225 = 13298626553 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333218094 + ... + 1333218103.
It is an arithmetic number, because the mean of its divisors is an integer number (3999654297).
Almost surely, 213332180985 is an apocalyptic number.
It is an amenable number.
13332180985 is a deficient number, since it is larger than the sum of its proper divisors (2666436203).
13332180985 is an equidigital number, since it uses as much as digits as its factorization.
13332180985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2666436202.
The product of its (nonzero) digits is 155520, while the sum is 43.
The spelling of 13332180985 in words is "thirteen billion, three hundred thirty-two million, one hundred eighty thousand, nine hundred eighty-five".
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