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1996209333888 = 27371117191971061
BaseRepresentation
bin11101000011000111010…
…110010010011010000000
321001211120021001001121220
4131003013112102122000
5230201214042141023
64125013525515040
7264135633242250
oct35030726223200
97054507031556
101996209333888
116aa651145280
12282a66572a80
1311631b117583
146c88d26b960
1536dd53073e3
hex1d0c7592680

1996209333888 has 1024 divisors, whose sum is σ = 7412481331200. Its totient is φ = 459531878400.

The previous prime is 1996209333847. The next prime is 1996209333959. The reversal of 1996209333888 is 8883339026991.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

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 127 ways as a sum of consecutive naturals, for example, 1881440878 + ... + 1881441938.

It is an arithmetic number, because the mean of its divisors is an integer number (7238751300).

Almost surely, 21996209333888 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 1996209333888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3706240665600).

1996209333888 is an abundant number, since it is smaller than the sum of its proper divisors (5416271997312).

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

1996209333888 is a wasteful number, since it uses less digits than its factorization.

1996209333888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 120932352, while the sum is 69.

The spelling of 1996209333888 in words is "one trillion, nine hundred ninety-six billion, two hundred nine million, three hundred thirty-three thousand, eight hundred eighty-eight".