Base | Representation |
---|---|
bin | 111101000011111… |
… | …100001011110001 |
3 | 2122101200002202211 |
4 | 331003330023301 |
5 | 4044224134441 |
6 | 245353212121 |
7 | 34246423432 |
oct | 7503741361 |
9 | 2571602684 |
10 | 1024443121 |
11 | 4862a9309 |
12 | 247101041 |
13 | 134317a80 |
14 | 9a0b1489 |
15 | 5ee0da81 |
hex | 3d0fc2f1 |
1024443121 has 16 divisors (see below), whose sum is σ = 1164320640. Its totient is φ = 893548800.
The previous prime is 1024443113. The next prime is 1024443127. The reversal of 1024443121 is 1213444201.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1024443121 - 23 = 1024443113 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1024443092 and 1024443101.
It is not an unprimeable number, because it can be changed into a prime (1024443127) 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, 93876 + ... + 104218.
It is an arithmetic number, because the mean of its divisors is an integer number (72770040).
Almost surely, 21024443121 is an apocalyptic number.
It is an amenable number.
1024443121 is a deficient number, since it is larger than the sum of its proper divisors (139877519).
1024443121 is a wasteful number, since it uses less digits than its factorization.
1024443121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10776.
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 1024443121 is about 32006.9230167475. The cubic root of 1024443121 is about 1008.0822089167.
Adding to 1024443121 its reverse (1213444201), we get a palindrome (2237887322).
The spelling of 1024443121 in words is "one billion, twenty-four million, four hundred forty-three thousand, one hundred twenty-one".
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