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2112110112 = 25372449003
BaseRepresentation
bin111110111100100…
…0011111000100000
312110012022022101110
41331321003320200
513311200010422
6545325503320
7103224432300
oct17571037040
95405268343
102112110112
1199425a652
124ab411b40
1327876acc8
1416071d600
15c565a60c
hex7de43e20

2112110112 has 72 divisors (see below), whose sum is σ = 6449493456. Its totient is φ = 603458688.

The previous prime is 2112110083. The next prime is 2112110123. The reversal of 2112110112 is 2110112112.

It is a super-2 number, since 2×21121101122 = 8922018250425305088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219798 + ... + 229205.

It is an arithmetic number, because the mean of its divisors is an integer number (89576298).

Almost surely, 22112110112 is an apocalyptic number.

It is an amenable number.

2112110112 is an abundant number, since it is smaller than the sum of its proper divisors (4337383344).

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

2112110112 is a wasteful number, since it uses less digits than its factorization.

2112110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449030 (or 449015 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 2112110112 is about 45957.6991591181. The cubic root of 2112110112 is about 1283.0360288343.

Adding to 2112110112 its reverse (2110112112), we get a palindrome (4222222224).

The spelling of 2112110112 in words is "two billion, one hundred twelve million, one hundred ten thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 392 588 672 784 1176 1568 2352 4704 449003 898006 1347009 1796012 2694018 3143021 3592024 5388036 6286042 7184048 9429063 10776072 12572084 14368096 18858126 21552144 22001147 25144168 37716252 43104288 44002294 50288336 66003441 75432504 88004588 100576672 132006882 150865008 176009176 264013764 301730016 352018352 528027528 704036704 1056055056 2112110112