Base | Representation |
---|---|
bin | 11001011111001111… |
… | …10001100111000100 |
3 | 1022022122121000002101 |
4 | 30233213301213010 |
5 | 211011031422420 |
6 | 10141500321444 |
7 | 663045605221 |
oct | 145747614704 |
9 | 38278530071 |
10 | 13683857860 |
11 | 58921a9a42 |
12 | 279a843284 |
13 | 13a0c7b91a |
14 | 93b500948 |
15 | 5514d660a |
hex | 32f9f19c4 |
13683857860 has 24 divisors (see below), whose sum is σ = 28751538816. Its totient is φ = 5470602720.
The previous prime is 13683857851. The next prime is 13683857909. The reversal of 13683857860 is 6875838631.
It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145422 + ... + 220261.
It is an arithmetic number, because the mean of its divisors is an integer number (1197980784).
Almost surely, 213683857860 is an apocalyptic number.
13683857860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13683857860 is an abundant number, since it is smaller than the sum of its proper divisors (15067680956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13683857860 is a wasteful number, since it uses less digits than its factorization.
13683857860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 367563 (or 367561 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 55.
The spelling of 13683857860 in words is "thirteen billion, six hundred eighty-three million, eight hundred fifty-seven thousand, eight hundred sixty".
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