Base | Representation |
---|---|
bin | 1110010011100… |
… | …11110011101000 |
3 | 22100211020112012 |
4 | 13021303303220 |
5 | 221210341013 |
6 | 15524135052 |
7 | 2655041144 |
oct | 711636350 |
9 | 270736465 |
10 | 120012008 |
11 | 6181a886 |
12 | 34237488 |
13 | 1bb2c52c |
14 | 11d20224 |
15 | a8091a8 |
hex | 7273ce8 |
120012008 has 16 divisors (see below), whose sum is σ = 228382080. Its totient is φ = 59110128.
The previous prime is 120012007. The next prime is 120012017. The reversal of 120012008 is 800210021.
It is a junction number, because it is equal to n+sod(n) for n = 120011983 and 120012001.
It is not an unprimeable number, because it can be changed into a prime (120012001) 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, 111416 + ... + 112487.
It is an arithmetic number, because the mean of its divisors is an integer number (14273880).
Almost surely, 2120012008 is an apocalyptic number.
It is an amenable number.
120012008 is a deficient number, since it is larger than the sum of its proper divisors (108370072).
120012008 is a wasteful number, since it uses less digits than its factorization.
120012008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223976 (or 223972 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
The square root of 120012008 is about 10954.9992240986. Note that the first 3 decimals coincide. The cubic root of 120012008 is about 493.2588666921.
Adding to 120012008 its reverse (800210021), we get a palindrome (920222029).
The spelling of 120012008 in words is "one hundred twenty million, twelve thousand, eight".
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