Base | Representation |
---|---|
bin | 11000010000001000… |
… | …00100011101011011 |
3 | 1020121101210000002010 |
4 | 30020010010131123 |
5 | 203131131431314 |
6 | 5551551441003 |
7 | 640436521200 |
oct | 141004043533 |
9 | 36541700063 |
10 | 13020186459 |
11 | 5581612885 |
12 | 2634526163 |
13 | 12c661bc57 |
14 | 8b7301ca7 |
15 | 5130dd059 |
hex | 30810475b |
13020186459 has 12 divisors (see below), whose sum is σ = 20194575144. Its totient is φ = 7440106464.
The previous prime is 13020186407. The next prime is 13020186461. The reversal of 13020186459 is 95468102031.
It is not a de Polignac number, because 13020186459 - 215 = 13020153691 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13020186469) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44286202 + ... + 44286495.
It is an arithmetic number, because the mean of its divisors is an integer number (1682881262).
Almost surely, 213020186459 is an apocalyptic number.
13020186459 is a deficient number, since it is larger than the sum of its proper divisors (7174388685).
13020186459 is an equidigital number, since it uses as much as digits as its factorization.
13020186459 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88572714 (or 88572707 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 39.
The spelling of 13020186459 in words is "thirteen billion, twenty million, one hundred eighty-six thousand, four hundred fifty-nine".
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