Base | Representation |
---|---|
bin | 111111010001101… |
… | …1110111110011101 |
3 | 12110222020022120010 |
4 | 1332203132332131 |
5 | 13322021344013 |
6 | 550404113433 |
7 | 103421111142 |
oct | 17643367635 |
9 | 5428208503 |
10 | 2123231133 |
11 | 99a565a81 |
12 | 4b3095879 |
13 | 27ab62baa |
14 | 161db63c9 |
15 | c66057c3 |
hex | 7e8def9d |
2123231133 has 32 divisors (see below), whose sum is σ = 3160166400. Its totient is φ = 1260147456.
The previous prime is 2123231129. The next prime is 2123231141. The reversal of 2123231133 is 3311323212.
It is not a de Polignac number, because 2123231133 - 22 = 2123231129 is a prime.
It is a super-2 number, since 2×21232311332 = 9016220888280927378, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2123231183) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834978 + ... + 837516.
It is an arithmetic number, because the mean of its divisors is an integer number (98755200).
Almost surely, 22123231133 is an apocalyptic number.
It is an amenable number.
2123231133 is a deficient number, since it is larger than the sum of its proper divisors (1036935267).
2123231133 is a wasteful number, since it uses less digits than its factorization.
2123231133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3441.
The product of its digits is 648, while the sum is 21.
The square root of 2123231133 is about 46078.5322357386. The cubic root of 2123231133 is about 1285.2839704084.
Adding to 2123231133 its reverse (3311323212), we get a palindrome (5434554345).
The spelling of 2123231133 in words is "two billion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred thirty-three".
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