Base | Representation |
---|---|
bin | 111001110000001011… |
… | …0101100111101110101 |
3 | 102212010101101220010010 |
4 | 1303200112230331311 |
5 | 4012444410211041 |
6 | 132550410050433 |
7 | 11650260141165 |
oct | 1634026547565 |
9 | 385111356103 |
10 | 124023132021 |
11 | 48663908818 |
12 | 20053119a19 |
13 | b906847969 |
14 | 600779c5a5 |
15 | 335d299a16 |
hex | 1ce05acf75 |
124023132021 has 12 divisors (see below), whose sum is σ = 168957431072. Its totient is φ = 80922890328.
The previous prime is 124023132007. The next prime is 124023132043. The reversal of 124023132021 is 120231320421.
It is not a de Polignac number, because 124023132021 - 25 = 124023131989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124023132221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9350785 + ... + 9364038.
Almost surely, 2124023132021 is an apocalyptic number.
It is an amenable number.
124023132021 is a deficient number, since it is larger than the sum of its proper divisors (44934299051).
124023132021 is an equidigital number, since it uses as much as digits as its factorization.
124023132021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18714920 (or 18714873 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 124023132021 its reverse (120231320421), we get a palindrome (244254452442).
The spelling of 124023132021 in words is "one hundred twenty-four billion, twenty-three million, one hundred thirty-two thousand, twenty-one".
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