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2112001100 = 2252111920001
BaseRepresentation
bin111110111100010…
…1001010001001100
312110012002202211222
41331320221101030
513311133013400
6545323302512
7103223466416
oct17570512114
95405082758
102112001100
11994195760
124ab37aa38
132787304c1
141606d19b6
15c5638185
hex7de2944c

2112001100 has 36 divisors (see below), whose sum is σ = 4999685208. Its totient is φ = 768000000.

The previous prime is 2112001043. The next prime is 2112001117. The reversal of 2112001100 is 11002112.

Adding to 2112001100 its reverse (11002112), we get a palindrome (2123003212).

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, 958901 + ... + 961100.

Almost surely, 22112001100 is an apocalyptic number.

2112001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112001100 is an abundant number, since it is smaller than the sum of its proper divisors (2887684108).

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

2112001100 is a wasteful number, since it uses less digits than its factorization.

2112001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920026 (or 1920019 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2112001100 is about 45956.5131401415. The cubic root of 2112001100 is about 1283.0139547437.

The spelling of 2112001100 in words is "two billion, one hundred twelve million, one thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 1920001 3840002 7680004 9600005 19200010 21120011 38400020 42240022 48000025 84480044 96000050 105600055 192000100 211200110 422400220 528000275 1056000550 2112001100