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164119895 = 532823979
BaseRepresentation
bin10011100100001…
…00010101010111
3102102211011011122
421302010111113
5314003314040
624141354155
74031665442
oct1162042527
9372734148
10164119895
1184706785
1246b6895b
1328003a84
1417b22659
15e61d1b5
hex9c84557

164119895 has 4 divisors (see below), whose sum is σ = 196943880. Its totient is φ = 131295912.

The previous prime is 164119889. The next prime is 164119897. The reversal of 164119895 is 598911461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 598911461 = 4157144073.

It is a cyclic number.

It is not a de Polignac number, because 164119895 - 28 = 164119639 is a prime.

It is a super-2 number, since 2×1641198952 = 53870679869622050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164119897) 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 3 ways as a sum of consecutive naturals, for example, 16411985 + ... + 16411994.

It is an arithmetic number, because the mean of its divisors is an integer number (49235970).

Almost surely, 2164119895 is an apocalyptic number.

164119895 is a deficient number, since it is larger than the sum of its proper divisors (32823985).

164119895 is an equidigital number, since it uses as much as digits as its factorization.

164119895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32823984.

The product of its digits is 77760, while the sum is 44.

The square root of 164119895 is about 12810.9287329217. The cubic root of 164119895 is about 547.5037231386.

The spelling of 164119895 in words is "one hundred sixty-four million, one hundred nineteen thousand, eight hundred ninety-five".

Divisors: 1 5 32823979 164119895