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2113230223 = 13909117881
BaseRepresentation
bin111110111110101…
…0101010110001111
312110021102012220001
41331331111112033
513311441331343
6545405505131
7103240106026
oct17575252617
95407365801
102113230223
11994955165
124ab8721a7
13278a70ab0
141609318bd
15c57cc44d
hex7df5558f

2113230223 has 8 divisors (see below), whose sum is σ = 2276164016. Its totient is φ = 1950350400.

The previous prime is 2113230221. The next prime is 2113230239. The reversal of 2113230223 is 3220323112.

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 2113230223 - 21 = 2113230221 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 2113230223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113230221) 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, 109243 + ... + 127123.

It is an arithmetic number, because the mean of its divisors is an integer number (284520502).

Almost surely, 22113230223 is an apocalyptic number.

2113230223 is a deficient number, since it is larger than the sum of its proper divisors (162933793).

2113230223 is a wasteful number, since it uses less digits than its factorization.

2113230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26985.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2113230223 is about 45969.8838697685. The cubic root of 2113230223 is about 1283.2627987020.

Adding to 2113230223 its reverse (3220323112), we get a palindrome (5333553335).

The spelling of 2113230223 in words is "two billion, one hundred thirteen million, two hundred thirty thousand, two hundred twenty-three".

Divisors: 1 13 9091 17881 118183 232453 162556171 2113230223