Base | Representation |
---|---|
bin | 111110111100101… |
… | …1010100111000011 |
3 | 12110012111001002021 |
4 | 1331321122213003 |
5 | 13311211000303 |
6 | 545331502311 |
7 | 103225300555 |
oct | 17571324703 |
9 | 5405431067 |
10 | 2112203203 |
11 | 994313590 |
12 | 4ab457997 |
13 | 2787a14a6 |
14 | 1607454d5 |
15 | c5677ebd |
hex | 7de5a9c3 |
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".
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