Base | Representation |
---|---|
bin | 11001011111101010… |
… | …00101000001001110 |
3 | 1022022220011011212020 |
4 | 30233311011001032 |
5 | 211012430021410 |
6 | 10142103151010 |
7 | 663120341406 |
oct | 145765050116 |
9 | 38286134766 |
10 | 13687345230 |
11 | 5894171069 |
12 | 279ba45466 |
13 | 13a1900060 |
14 | 93bb6b806 |
15 | 551974a70 |
hex | 32fd4504e |
13687345230 has 32 divisors (see below), whose sum is σ = 35376524064. Its totient is φ = 3369192576.
The previous prime is 13687345211. The next prime is 13687345307. The reversal of 13687345230 is 3254378631.
13687345230 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 an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 17547489 + ... + 17548268.
It is an arithmetic number, because the mean of its divisors is an integer number (1105516377).
Almost surely, 213687345230 is an apocalyptic number.
13687345230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13687345230 is an abundant number, since it is smaller than the sum of its proper divisors (21689178834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13687345230 is a wasteful number, since it uses less digits than its factorization.
13687345230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35095780.
The product of its (nonzero) digits is 362880, while the sum is 42.
The spelling of 13687345230 in words is "thirteen billion, six hundred eighty-seven million, three hundred forty-five thousand, two hundred thirty".
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