Base | Representation |
---|---|
bin | 1110010101111… |
… | …01001000010110 |
3 | 22101101111111200 |
4 | 13022331020112 |
5 | 221244443332 |
6 | 15534413330 |
7 | 2660431563 |
oct | 712751026 |
9 | 271344450 |
10 | 120312342 |
11 | 61a05497 |
12 | 34361246 |
13 | 1bc06147 |
14 | 11d9b86a |
15 | a86817c |
hex | 72bd216 |
120312342 has 12 divisors (see below), whose sum is σ = 260676780. Its totient is φ = 40104108.
The previous prime is 120312289. The next prime is 120312359. The reversal of 120312342 is 243213021.
120312342 is a `hidden beast` number, since 12 + 0 + 312 + 342 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6684019 = 120312342 / (1 + 2 + 0 + 3 + 1 + 2 + 3 + 4 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3341992 + ... + 3342027.
It is an arithmetic number, because the mean of its divisors is an integer number (21723065).
Almost surely, 2120312342 is an apocalyptic number.
120312342 is an abundant number, since it is smaller than the sum of its proper divisors (140364438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120312342 is a wasteful number, since it uses less digits than its factorization.
120312342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6684027 (or 6684024 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 120312342 is about 10968.6982819294. The cubic root of 120312342 is about 493.6699894494.
Adding to 120312342 its reverse (243213021), we get a palindrome (363525363).
The spelling of 120312342 in words is "one hundred twenty million, three hundred twelve thousand, three hundred forty-two".
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