Base | Representation |
---|---|
bin | 1110010110101… |
… | …01100010100001 |
3 | 22101120120122121 |
4 | 13023111202201 |
5 | 221311143241 |
6 | 15540504241 |
7 | 2661326221 |
oct | 713254241 |
9 | 271516577 |
10 | 120412321 |
11 | 61a73617 |
12 | 343ab081 |
13 | 1bc3c7c3 |
14 | 11dc6081 |
15 | a887ad1 |
hex | 72d58a1 |
120412321 has 8 divisors (see below), whose sum is σ = 125222400. Its totient is φ = 115646160.
The previous prime is 120412297. The next prime is 120412361. The reversal of 120412321 is 123214021.
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 120412321 - 25 = 120412289 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120412295 and 120412304.
It is not an unprimeable number, because it can be changed into a prime (120412361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5331 + ... + 16408.
It is an arithmetic number, because the mean of its divisors is an integer number (15652800).
Almost surely, 2120412321 is an apocalyptic number.
It is an amenable number.
120412321 is a deficient number, since it is larger than the sum of its proper divisors (4810079).
120412321 is a wasteful number, since it uses less digits than its factorization.
120412321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21959.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 120412321 is about 10973.2548042958. The cubic root of 120412321 is about 493.8066974148.
Adding to 120412321 its reverse (123214021), we get a palindrome (243626342).
The spelling of 120412321 in words is "one hundred twenty million, four hundred twelve thousand, three hundred twenty-one".
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