Base | Representation |
---|---|
bin | 111111010001111… |
… | …0010001111000111 |
3 | 12110222101022202222 |
4 | 1332203302033013 |
5 | 13322031410043 |
6 | 550405522555 |
7 | 103421560142 |
oct | 17643621707 |
9 | 5428338688 |
10 | 2123310023 |
11 | 99a60a27a |
12 | 4b311345b |
13 | 27ab8ca83 |
14 | 161dd7059 |
15 | c661dd68 |
hex | 7e8f23c7 |
2123310023 has 16 divisors (see below), whose sum is σ = 2248058880. Its totient is φ = 2002185696.
The previous prime is 2123310017. The next prime is 2123310031. The reversal of 2123310023 is 3200133212.
It is a cyclic number.
It is not a de Polignac number, because 2123310023 - 214 = 2123293639 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2123309983 and 2123310010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2123310043) 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, 765986 + ... + 768752.
It is an arithmetic number, because the mean of its divisors is an integer number (140503680).
Almost surely, 22123310023 is an apocalyptic number.
2123310023 is a deficient number, since it is larger than the sum of its proper divisors (124748857).
2123310023 is a wasteful number, since it uses less digits than its factorization.
2123310023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3406.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 2123310023 is about 46079.3882663388. The cubic root of 2123310023 is about 1285.2998887251.
Adding to 2123310023 its reverse (3200133212), we get a palindrome (5323443235).
The spelling of 2123310023 in words is "two billion, one hundred twenty-three million, three hundred ten thousand, twenty-three".
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