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2112404224 = 2871769341
BaseRepresentation
bin111110111101000…
…1011101100000000
312110012212020211111
41331322023230000
513311233413344
6545340053104
7103230065620
oct17572135400
95405766744
102112404224
11994440617
124ab534194
13278841b38
14160798880
15c56b7834
hex7de8bb00

2112404224 has 72 divisors (see below), whose sum is σ = 5102461728. Its totient is φ = 852049920.

The previous prime is 2112404179. The next prime is 2112404227. The reversal of 2112404224 is 4224042112.

It is a junction number, because it is equal to n+sod(n) for n = 2112404195 and 2112404204.

It is not an unprimeable number, because it can be changed into a prime (2112404227) 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, 4207 + ... + 65134.

It is an arithmetic number, because the mean of its divisors is an integer number (70867524).

Almost surely, 22112404224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112404224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2551230864).

2112404224 is an abundant number, since it is smaller than the sum of its proper divisors (2990057504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112404224 is an equidigital number, since it uses as much as digits as its factorization.

2112404224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69381 (or 69367 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2112404224 is about 45960.8988597917. The cubic root of 2112404224 is about 1283.0955804609.

Adding to 2112404224 its reverse (4224042112), we get a palindrome (6336446336).

The spelling of 2112404224 in words is "two billion, one hundred twelve million, four hundred four thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 64 68 112 119 128 136 224 238 256 272 448 476 544 896 952 1088 1792 1904 2176 3808 4352 7616 15232 30464 69341 138682 277364 485387 554728 970774 1109456 1178797 1941548 2218912 2357594 3883096 4437824 4715188 7766192 8251579 8875648 9430376 15532384 16503158 17751296 18860752 31064768 33006316 37721504 62129536 66012632 75443008 124259072 132025264 150886016 264050528 301772032 528101056 1056202112 2112404224