Base | Representation |
---|---|
bin | 1110010100100… |
… | …00111010101011 |
3 | 22101001022002022 |
4 | 13022100322223 |
5 | 221223144433 |
6 | 15530455055 |
7 | 2656045601 |
oct | 712207253 |
9 | 271038068 |
10 | 120131243 |
11 | 618a1421 |
12 | 3429448b |
13 | 1bb7189b |
14 | 11d51871 |
15 | a82e698 |
hex | 7290eab |
120131243 has 8 divisors (see below), whose sum is σ = 126611520. Its totient is φ = 113666760.
The previous prime is 120131233. The next prime is 120131261. The reversal of 120131243 is 342131021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 120131243 - 24 = 120131227 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120131213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13748 + ... + 20718.
It is an arithmetic number, because the mean of its divisors is an integer number (15826440).
Almost surely, 2120131243 is an apocalyptic number.
120131243 is a deficient number, since it is larger than the sum of its proper divisors (6480277).
120131243 is an equidigital number, since it uses as much as digits as its factorization.
120131243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7897.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 120131243 is about 10960.4399090547. The cubic root of 120131243 is about 493.4221677235.
Adding to 120131243 its reverse (342131021), we get a palindrome (462262264).
The spelling of 120131243 in words is "one hundred twenty million, one hundred thirty-one thousand, two hundred forty-three".
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