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16384987407 = 38116734479
BaseRepresentation
bin11110100001001111…
…10001000100001111
31120021220020121020110
433100213301010033
5232024024044112
611305511051103
71120015044405
oct172047610417
946256217213
1016384987407
116a48997608
123213370a93
13171176c529
14b16149475
1565d6e113c
hex3d09f110f

16384987407 has 8 divisors (see below), whose sum is σ = 21873591040. Its totient is φ = 10909854360.

The previous prime is 16384987397. The next prime is 16384987427. The reversal of 16384987407 is 70478948361.

16384987407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16384987407 - 27 = 16384987279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16384987427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3364807 + ... + 3369672.

It is an arithmetic number, because the mean of its divisors is an integer number (2734198880).

Almost surely, 216384987407 is an apocalyptic number.

16384987407 is a deficient number, since it is larger than the sum of its proper divisors (5488603633).

16384987407 is an equidigital number, since it uses as much as digits as its factorization.

16384987407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735293.

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 16384987407 in words is "sixteen billion, three hundred eighty-four million, nine hundred eighty-seven thousand, four hundred seven".

Divisors: 1 3 811 2433 6734479 20203437 5461662469 16384987407