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16242059991 = 36655381349
BaseRepresentation
bin11110010000001101…
…00010101011010111
31112220221022010200110
433020012202223113
5231230431404431
611243403414103
71113331142403
oct171006425327
945827263613
1016242059991
116985246083
123193524333
1316bac788b1
14b01182103
15650dac346
hex3c81a2ad7

16242059991 has 8 divisors (see below), whose sum is σ = 21656671600. Its totient is φ = 10827744192.

The previous prime is 16242059987. The next prime is 16242060001. The reversal of 16242059991 is 19995024261.

16242059991 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 16242059991 - 22 = 16242059987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16242059991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16242059291) 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, 158985 + ... + 240333.

It is an arithmetic number, because the mean of its divisors is an integer number (2707083950).

Almost surely, 216242059991 is an apocalyptic number.

16242059991 is a deficient number, since it is larger than the sum of its proper divisors (5414611609).

16242059991 is an equidigital number, since it uses as much as digits as its factorization.

16242059991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147905.

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 16242059991 in words is "sixteen billion, two hundred forty-two million, fifty-nine thousand, nine hundred ninety-one".

Divisors: 1 3 66553 81349 199659 244047 5414019997 16242059991