Base | Representation |
---|---|
bin | 1110010101000… |
… | …01110001111000 |
3 | 22101011210211102 |
4 | 13022201301320 |
5 | 221232402222 |
6 | 15532150532 |
7 | 2656454141 |
oct | 712416170 |
9 | 271153742 |
10 | 120200312 |
11 | 61939301 |
12 | 34308448 |
13 | 1bb9715b |
14 | 11d6cac8 |
15 | a844d92 |
hex | 72a1c78 |
120200312 has 8 divisors (see below), whose sum is σ = 225375600. Its totient is φ = 60100152.
The previous prime is 120200281. The next prime is 120200321. The reversal of 120200312 is 213002021.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 120200293 and 120200302.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 7512512 + ... + 7512527.
It is an arithmetic number, because the mean of its divisors is an integer number (28171950).
Almost surely, 2120200312 is an apocalyptic number.
It is an amenable number.
120200312 is a deficient number, since it is larger than the sum of its proper divisors (105175288).
120200312 is a wasteful number, since it uses less digits than its factorization.
120200312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15025045 (or 15025041 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 120200312 is about 10963.5902878573. The cubic root of 120200312 is about 493.5167133375.
Adding to 120200312 its reverse (213002021), we get a palindrome (333202333).
The spelling of 120200312 in words is "one hundred twenty million, two hundred thousand, three hundred twelve".
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