Base | Representation |
---|---|
bin | 111110111100100… |
… | …1001000010000011 |
3 | 12110012100101022121 |
4 | 1331321021002003 |
5 | 13311201144303 |
6 | 545330145111 |
7 | 103224550630 |
oct | 17571110203 |
9 | 5405311277 |
10 | 2112131203 |
11 | 994274486 |
12 | 4ab422197 |
13 | 2787777a0 |
14 | 160727187 |
15 | c56619bd |
hex | 7de49083 |
2112131203 has 16 divisors (see below), whose sum is σ = 2600678080. Its totient is φ = 1670409216.
The previous prime is 2112131201. The next prime is 2112131207. The reversal of 2112131203 is 3021312112.
It is not a de Polignac number, because 2112131203 - 21 = 2112131201 is a prime.
It is a super-2 number, since 2×21121312032 = 8922196437372454418, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2112131201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317851 + ... + 324427.
It is an arithmetic number, because the mean of its divisors is an integer number (162542380).
Almost surely, 22112131203 is an apocalyptic number.
2112131203 is a deficient number, since it is larger than the sum of its proper divisors (488546877).
2112131203 is a wasteful number, since it uses less digits than its factorization.
2112131203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10126.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 2112131203 is about 45957.9286195538. The cubic root of 2112131203 is about 1283.0402995117.
Adding to 2112131203 its reverse (3021312112), we get a palindrome (5133443315).
The spelling of 2112131203 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, two hundred three".
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