Base | Representation |
---|---|
bin | 111001110011000110… |
… | …1101110101110101001 |
3 | 102212101020101121202102 |
4 | 1303212031232232221 |
5 | 4013200042140431 |
6 | 133004241143145 |
7 | 11652562600625 |
oct | 1634615565651 |
9 | 385336347672 |
10 | 124121443241 |
11 | 48704356464 |
12 | 2008002aab5 |
13 | b921019893 |
14 | 6016870185 |
15 | 3366c18dcb |
hex | 1ce636eba9 |
124121443241 has 4 divisors (see below), whose sum is σ = 130654150800. Its totient is φ = 117588735684.
The previous prime is 124121443169. The next prime is 124121443249. The reversal of 124121443241 is 142344121421.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142344121421 = 17 ⋅8373183613.
It is a cyclic number.
It is not a de Polignac number, because 124121443241 - 214 = 124121426857 is a prime.
It is a super-2 number, since 2×1241214432412 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (124121443249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3266353751 + ... + 3266353788.
It is an arithmetic number, because the mean of its divisors is an integer number (32663537700).
Almost surely, 2124121443241 is an apocalyptic number.
It is an amenable number.
124121443241 is a deficient number, since it is larger than the sum of its proper divisors (6532707559).
124121443241 is an equidigital number, since it uses as much as digits as its factorization.
124121443241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6532707558.
The product of its digits is 6144, while the sum is 29.
Adding to 124121443241 its reverse (142344121421), we get a palindrome (266465564662).
The spelling of 124121443241 in words is "one hundred twenty-four billion, one hundred twenty-one million, four hundred forty-three thousand, two hundred forty-one".
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