Base | Representation |
---|---|
bin | 111111010001010… |
… | …1100001010110110 |
3 | 12110221211202002121 |
4 | 1332202230022312 |
5 | 13321443214110 |
6 | 550355430154 |
7 | 103416253342 |
oct | 17642541266 |
9 | 5427752077 |
10 | 2123023030 |
11 | 99a433697 |
12 | 4b2bb535a |
13 | 27aabc25b |
14 | 161d60622 |
15 | c65b3cda |
hex | 7e8ac2b6 |
2123023030 has 32 divisors (see below), whose sum is σ = 3874767840. Its totient is φ = 837427200.
The previous prime is 2123023013. The next prime is 2123023031. The reversal of 2123023030 is 303203212.
It is a junction number, because it is equal to n+sod(n) for n = 2123022995 and 2123023013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2123023031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255481 + ... + 263659.
It is an arithmetic number, because the mean of its divisors is an integer number (121086495).
Almost surely, 22123023030 is an apocalyptic number.
2123023030 is a deficient number, since it is larger than the sum of its proper divisors (1751744810).
2123023030 is a wasteful number, since it uses less digits than its factorization.
2123023030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8544.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 2123023030 is about 46076.2740464113. The cubic root of 2123023030 is about 1285.2419777767.
Adding to 2123023030 its reverse (303203212), we get a palindrome (2426226242).
The spelling of 2123023030 in words is "two billion, one hundred twenty-three million, twenty-three thousand, thirty".
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