Base | Representation |
---|---|
bin | 100101000011000… |
… | …1001001001100100 |
3 | 10012122011020222122 |
4 | 1022012021021210 |
5 | 10021214434244 |
6 | 323204245112 |
7 | 42543245111 |
oct | 11206111144 |
9 | 3178136878 |
10 | 1243124324 |
11 | 588790782 |
12 | 2a83a0798 |
13 | 16a713130 |
14 | bb157908 |
15 | 742081ee |
hex | 4a189264 |
1243124324 has 96 divisors (see below), whose sum is σ = 2613072000. Its totient is φ = 512096256.
The previous prime is 1243124293. The next prime is 1243124327. The reversal of 1243124324 is 4234213421.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a junction number, because it is equal to n+sod(n) for n = 1243124293 and 1243124302.
It is not an unprimeable number, because it can be changed into a prime (1243124327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1231532 + ... + 1232540.
It is an arithmetic number, because the mean of its divisors is an integer number (27219500).
Almost surely, 21243124324 is an apocalyptic number.
It is an amenable number.
1243124324 is an abundant number, since it is smaller than the sum of its proper divisors (1369947676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1243124324 is a wasteful number, since it uses less digits than its factorization.
1243124324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1117 (or 1115 counting only the distinct ones).
The product of its digits is 4608, while the sum is 26.
The square root of 1243124324 is about 35257.9682341453. The cubic root of 1243124324 is about 1075.2386198974.
Adding to 1243124324 its reverse (4234213421), we get a palindrome (5477337745).
The spelling of 1243124324 in words is "one billion, two hundred forty-three million, one hundred twenty-four thousand, three hundred twenty-four".
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