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2164725223 = 101179119737
BaseRepresentation
bin1000000100000111…
…0001010111100111
312120212022102202021
42001001301113213
513413132201343
6554445324011
7104433601153
oct20101612747
95525272667
102164725223
11a10a27111
12504b66607
132866307cb
141676d8063
15ca0a00ed
hex810715e7

2164725223 has 8 divisors (see below), whose sum is σ = 2198389680. Its totient is φ = 2131300800.

The previous prime is 2164725217. The next prime is 2164725253. The reversal of 2164725223 is 3225274612.

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 2164725223 - 213 = 2164717031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164725203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41790 + ... + 77947.

It is an arithmetic number, because the mean of its divisors is an integer number (274798710).

Almost surely, 22164725223 is an apocalyptic number.

2164725223 is a deficient number, since it is larger than the sum of its proper divisors (33664457).

2164725223 is a wasteful number, since it uses less digits than its factorization.

2164725223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120017.

The product of its digits is 40320, while the sum is 34.

The square root of 2164725223 is about 46526.6076885044. The cubic root of 2164725223 is about 1293.6027371633.

Adding to 2164725223 its reverse (3225274612), we get a palindrome (5389999835).

The spelling of 2164725223 in words is "two billion, one hundred sixty-four million, seven hundred twenty-five thousand, two hundred twenty-three".

Divisors: 1 101 179 18079 119737 12093437 21432923 2164725223