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2112430222 = 271953149839
BaseRepresentation
bin111110111101001…
…0010000010001110
312110012220120111101
41331322102002032
513311240231342
6545340413314
7103230234460
oct17572220216
95405816441
102112430222
11994459101
124ab54723a
13278850916
141607a4130
15c56c03b7
hex7de9208e

2112430222 has 32 divisors (see below), whose sum is σ = 3883852800. Its totient is φ = 841490208.

The previous prime is 2112430213. The next prime is 2112430223. The reversal of 2112430222 is 2220342112.

It is a super-2 number, since 2×21124302222 = 8924722885637938568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2112430222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112430223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60822 + ... + 89017.

It is an arithmetic number, because the mean of its divisors is an integer number (121370400).

Almost surely, 22112430222 is an apocalyptic number.

2112430222 is a deficient number, since it is larger than the sum of its proper divisors (1771422578).

2112430222 is a wasteful number, since it uses less digits than its factorization.

2112430222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149920.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2112430222 is about 45961.1816862883. The cubic root of 2112430222 is about 1283.1008442549.

Adding to 2112430222 its reverse (2220342112), we get a palindrome (4332772334).

The spelling of 2112430222 in words is "two billion, one hundred twelve million, four hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 7 14 19 38 53 106 133 266 371 742 1007 2014 7049 14098 149839 299678 1048873 2097746 2846941 5693882 7941467 15882934 19928587 39857174 55590269 111180538 150887873 301775746 1056215111 2112430222