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16189129 = 112935023
BaseRepresentation
bin111101110000…
…011011001001
31010110111022101
4331300123021
513121023004
61334553401
7254414425
oct75603311
933414271
1016189129
119158150
125508861
13347a988
142215b85
15164bba4
hexf706c9

16189129 has 8 divisors (see below), whose sum is σ = 17724672. Its totient is φ = 14664240.

The previous prime is 16189127. The next prime is 16189133. The reversal of 16189129 is 92198161.

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

It is a cyclic number.

It is not a de Polignac number, because 16189129 - 21 = 16189127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16189123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712 + ... + 5734.

It is an arithmetic number, because the mean of its divisors is an integer number (2215584).

Almost surely, 216189129 is an apocalyptic number.

It is an amenable number.

16189129 is a deficient number, since it is larger than the sum of its proper divisors (1535543).

16189129 is a wasteful number, since it uses less digits than its factorization.

16189129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327.

The product of its digits is 7776, while the sum is 37.

The square root of 16189129 is about 4023.5716720347. The cubic root of 16189129 is about 252.9731884287.

The spelling of 16189129 in words is "sixteen million, one hundred eighty-nine thousand, one hundred twenty-nine".

Divisors: 1 11 293 3223 5023 55253 1471739 16189129