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71168133 = 3127186793
BaseRepresentation
bin1000011110111…
…11000010000101
311221220201022210
410033133002011
5121204340013
611021214033
71522630161
oct417370205
9157821283
1071168133
1137199743
121ba01319
131198a42a
149647ca1
1563abcc3
hex43df085

71168133 has 8 divisors (see below), whose sum is σ = 95638528. Its totient is φ = 47071584.

The previous prime is 71168107. The next prime is 71168179. The reversal of 71168133 is 33186117.

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

It is not a de Polignac number, because 71168133 - 213 = 71159941 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 71168133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71168533) 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, 93016 + ... + 93777.

It is an arithmetic number, because the mean of its divisors is an integer number (11954816).

Almost surely, 271168133 is an apocalyptic number.

It is an amenable number.

71168133 is a deficient number, since it is larger than the sum of its proper divisors (24470395).

71168133 is a wasteful number, since it uses less digits than its factorization.

71168133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186923.

The product of its digits is 3024, while the sum is 30.

The square root of 71168133 is about 8436.1207317108. The cubic root of 71168133 is about 414.4083755413.

The spelling of 71168133 in words is "seventy-one million, one hundred sixty-eight thousand, one hundred thirty-three".

Divisors: 1 3 127 381 186793 560379 23722711 71168133