Base | Representation |
---|---|
bin | 1100101000011000100000… |
… | …0000100111011010000000 |
3 | 1211011200010101221102110202 |
4 | 3022012020000213122000 |
5 | 3310014420222141002 |
6 | 45312003541344332 |
7 | 2632240245602231 |
oct | 312061000473200 |
9 | 54150111842422 |
10 | 13887911130752 |
11 | 447491485a15a |
12 | 16836a14080a8 |
13 | 799816a65649 |
14 | 36026da99088 |
15 | 1913ca73b502 |
hex | ca188027680 |
13887911130752 has 64 divisors (see below), whose sum is σ = 27939567284640. Its totient is φ = 6875961738240.
The previous prime is 13887911130689. The next prime is 13887911130799. The reversal of 13887911130752 is 25703111978831.
It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4015463 + ... + 6625689.
Almost surely, 213887911130752 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13887911130752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13969783642320).
13887911130752 is an abundant number, since it is smaller than the sum of its proper divisors (14051656153888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13887911130752 is a wasteful number, since it uses less digits than its factorization.
13887911130752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2610649 (or 2610637 counting only the distinct ones).
The product of its (nonzero) digits is 2540160, while the sum is 56.
The spelling of 13887911130752 in words is "thirteen trillion, eight hundred eighty-seven billion, nine hundred eleven million, one hundred thirty thousand, seven hundred fifty-two".
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