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2112105322 = 219291916611
BaseRepresentation
bin111110111100100…
…0010101101101010
312110012022001211001
41331321002231222
513311144332242
6545325425214
7103224412315
oct17571025552
95405261731
102112105322
11994256a98
124ab40b20a
13278768a82
1416071b97c
15c5658eb7
hex7de42b6a

2112105322 has 16 divisors (see below), whose sum is σ = 3449901600. Its totient is φ = 965971440.

The previous prime is 2112105319. The next prime is 2112105323. The reversal of 2112105322 is 2235012112.

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 2112105322.

It is not an unprimeable number, because it can be changed into a prime (2112105323) 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, 957204 + ... + 959407.

It is an arithmetic number, because the mean of its divisors is an integer number (215618850).

Almost surely, 22112105322 is an apocalyptic number.

2112105322 is a deficient number, since it is larger than the sum of its proper divisors (1337796278).

2112105322 is a wasteful number, since it uses less digits than its factorization.

2112105322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916661.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2112105322 is about 45957.6470459487. The cubic root of 2112105322 is about 1283.0350589122.

Adding to 2112105322 its reverse (2235012112), we get a palindrome (4347117434).

The spelling of 2112105322 in words is "two billion, one hundred twelve million, one hundred five thousand, three hundred twenty-two".

Divisors: 1 2 19 29 38 58 551 1102 1916611 3833222 36415609 55581719 72831218 111163438 1056052661 2112105322