Base | Representation |
---|---|
bin | 1110110011000… |
… | …01010000000111 |
3 | 22122120110202221 |
4 | 13121201100013 |
5 | 223234132221 |
6 | 20152313211 |
7 | 3035042644 |
oct | 731412007 |
9 | 278513687 |
10 | 124130311 |
11 | 64082a38 |
12 | 356a2807 |
13 | 1c941bb6 |
14 | 126b2dcb |
15 | ad6e541 |
hex | 7661407 |
124130311 has 4 divisors (see below), whose sum is σ = 131432112. Its totient is φ = 116828512.
The previous prime is 124130263. The next prime is 124130341. The reversal of 124130311 is 113031421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113031421 = 2699 ⋅41879.
It is a cyclic number.
It is not a de Polignac number, because 124130311 - 29 = 124129799 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 (124130341) 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, 3650875 + ... + 3650908.
It is an arithmetic number, because the mean of its divisors is an integer number (32858028).
Almost surely, 2124130311 is an apocalyptic number.
124130311 is a deficient number, since it is larger than the sum of its proper divisors (7301801).
124130311 is an equidigital number, since it uses as much as digits as its factorization.
124130311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7301800.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 124130311 is about 11141.3783258626. The cubic root of 124130311 is about 498.8377149471.
Adding to 124130311 its reverse (113031421), we get a palindrome (237161732).
The spelling of 124130311 in words is "one hundred twenty-four million, one hundred thirty thousand, three hundred eleven".
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