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16112143 = 43374701
BaseRepresentation
bin111101011101…
…101000001111
31010022120201001
4331131220033
513111042033
61333201131
7253644115
oct75355017
933276631
1016112143
119105323
1254901a7
133451918
1421d5ab5
151633e7d
hexf5da0f

16112143 has 4 divisors (see below), whose sum is σ = 16486888. Its totient is φ = 15737400.

The previous prime is 16112119. The next prime is 16112149. The reversal of 16112143 is 34121161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16112143 - 25 = 16112111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16112143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16112149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187308 + ... + 187393.

It is an arithmetic number, because the mean of its divisors is an integer number (4121722).

Almost surely, 216112143 is an apocalyptic number.

16112143 is a deficient number, since it is larger than the sum of its proper divisors (374745).

16112143 is an equidigital number, since it uses as much as digits as its factorization.

16112143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374744.

The product of its digits is 144, while the sum is 19.

The square root of 16112143 is about 4013.9933981012. The cubic root of 16112143 is about 252.5715537498.

The spelling of 16112143 in words is "sixteen million, one hundred twelve thousand, one hundred forty-three".

Divisors: 1 43 374701 16112143