Search a number
-
+
2112200223 = 372107134287
BaseRepresentation
bin111110111100101…
…1001111000011111
312110012110212222220
41331321121320133
513311210401343
6545331440423
7103225256100
oct17571317037
95405425886
102112200223
11994311321
124ab456113
132787a0023
141607443a7
15c5677183
hex7de59e1f

2112200223 has 24 divisors (see below), whose sum is σ = 3306707712. Its totient is φ = 1195682544.

The previous prime is 2112200219. The next prime is 2112200273. The reversal of 2112200223 is 3220022112.

It is a happy number.

It is not a de Polignac number, because 2112200223 - 22 = 2112200219 is a prime.

It is a super-2 number, since 2×21122002232 = 8922779564082499458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112200203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51415 + ... + 82872.

It is an arithmetic number, because the mean of its divisors is an integer number (137779488).

Almost surely, 22112200223 is an apocalyptic number.

2112200223 is a deficient number, since it is larger than the sum of its proper divisors (1194507489).

2112200223 is a wasteful number, since it uses less digits than its factorization.

2112200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134411 (or 134404 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2112200223 is about 45958.6795175841. The cubic root of 2112200223 is about 1283.0542750446.

Adding to 2112200223 its reverse (3220022112), we get a palindrome (5332222335).

The spelling of 2112200223 in words is "two billion, one hundred twelve million, two hundred thousand, two hundred twenty-three".

Divisors: 1 3 7 21 49 107 147 321 749 2247 5243 15729 134287 402861 940009 2820027 6580063 14368709 19740189 43106127 100580963 301742889 704066741 2112200223