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16396890330240 = 273257406668907
BaseRepresentation
bin1110111010011011001011…
…0100101101010010000000
32011001112020110221120202100
43232212302310231102000
54122121312411031430
654512343305150400
73311431141116060
oct356466264552200
964045213846670
1016396890330240
115251978141962
121a099b148b400
1391c2b27c4174
144098840cb3a0
151d67c27ba960
hexee9b2d2d480

16396890330240 has 192 divisors, whose sum is σ = 64709156640960. Its totient is φ = 3747860637696.

The previous prime is 16396890330187. The next prime is 16396890330287. The reversal of 16396890330240 is 4203309869361.

16396890330240 is a `hidden beast` number, since 1 + 6 + 3 + 9 + 68 + 9 + 0 + 330 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203294134 + ... + 203374773.

It is an arithmetic number, because the mean of its divisors is an integer number (337026857505).

Almost surely, 216396890330240 is an apocalyptic number.

16396890330240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16396890330240 is an abundant number, since it is smaller than the sum of its proper divisors (48312266310720).

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

16396890330240 is a wasteful number, since it uses less digits than its factorization.

16396890330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406668939 (or 406668924 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 16396890330240 in words is "sixteen trillion, three hundred ninety-six billion, eight hundred ninety million, three hundred thirty thousand, two hundred forty".