Base | Representation |
---|---|
bin | 11001000111100111… |
… | …00011001110010100 |
3 | 1021210211120101012212 |
4 | 30203303203032110 |
5 | 210104304234233 |
6 | 10110055332552 |
7 | 655120601516 |
oct | 144363431624 |
9 | 37724511185 |
10 | 13485618068 |
11 | 57a03094aa |
12 | 2744381158 |
13 | 136bb8c880 |
14 | 91d059bb6 |
15 | 53ddc8a48 |
hex | 323ce3394 |
13485618068 has 144 divisors (see below), whose sum is σ = 28241028480. Its totient is φ = 5581488384.
The previous prime is 13485618061. The next prime is 13485618119. The reversal of 13485618068 is 86081658431.
13485618068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13485618061) 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 47 ways as a sum of consecutive naturals, for example, 80752121 + ... + 80752287.
Almost surely, 213485618068 is an apocalyptic number.
It is an amenable number.
13485618068 is an abundant number, since it is smaller than the sum of its proper divisors (14755410412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13485618068 is a wasteful number, since it uses less digits than its factorization.
13485618068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 334 (or 285 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 50.
The spelling of 13485618068 in words is "thirteen billion, four hundred eighty-five million, six hundred eighteen thousand, sixty-eight".
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