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2112203203 = 111019372029
BaseRepresentation
bin111110111100101…
…1010100111000011
312110012111001002021
41331321122213003
513311211000303
6545331502311
7103225300555
oct17571324703
95405431067
102112203203
11994313590
124ab457997
132787a14a6
141607454d5
15c5677ebd
hex7de5a9c3

2112203203 has 16 divisors (see below), whose sum is σ = 2330667360. Its totient is φ = 1898208000.

The previous prime is 2112203161. The next prime is 2112203209. The reversal of 2112203203 is 3023022112.

It is a cyclic number.

It is not a de Polignac number, because 2112203203 - 29 = 2112202691 is a prime.

It is a super-4 number, since 4×21122032034 (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112203209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039993 + ... + 1042021.

It is an arithmetic number, because the mean of its divisors is an integer number (145666710).

Almost surely, 22112203203 is an apocalyptic number.

2112203203 is a deficient number, since it is larger than the sum of its proper divisors (218464157).

2112203203 is a wasteful number, since it uses less digits than its factorization.

2112203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2112203203 is about 45958.7119379993. The cubic root of 2112203203 is about 1283.0548784438.

Adding to 2112203203 its reverse (3023022112), we get a palindrome (5135225315).

The spelling of 2112203203 in words is "two billion, one hundred twelve million, two hundred three thousand, two hundred three".

Divisors: 1 11 101 937 1111 2029 10307 22319 94637 204929 1041007 1901173 2254219 20912903 192018473 2112203203