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16378888488960 = 211352934635309
BaseRepresentation
bin1110111001011000000111…
…0101001000100000000000
32010222210202220022021222010
43232112001311020200000
54121322430423121320
654500205115212520
73310223061024564
oct356260165104000
963883686267863
1016378888488960
11524527a612088
121a06408747140
1391a6a409a78a
14408a573416a4
151d60bc19bae0
hexee581d48800

16378888488960 has 384 divisors, whose sum is σ = 54232397856000. Its totient is φ = 4215081271296.

The previous prime is 16378888488943. The next prime is 16378888488973. The reversal of 16378888488960 is 6988488887361.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3085114786 + ... + 3085120094.

It is an arithmetic number, because the mean of its divisors is an integer number (141230202750).

Almost surely, 216378888488960 is an apocalyptic number.

16378888488960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16378888488960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27116198928000).

16378888488960 is an abundant number, since it is smaller than the sum of its proper divisors (37853509367040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16378888488960 is a wasteful number, since it uses less digits than its factorization.

16378888488960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8831 (or 8811 counting only the distinct ones).

The product of its (nonzero) digits is 7134511104, while the sum is 84.

The spelling of 16378888488960 in words is "sixteen trillion, three hundred seventy-eight billion, eight hundred eighty-eight million, four hundred eighty-eight thousand, nine hundred sixty".