Base | Representation |
---|---|
bin | 1110010011100… |
… | …11110011100111 |
3 | 22100211020112011 |
4 | 13021303303213 |
5 | 221210341012 |
6 | 15524135051 |
7 | 2655041143 |
oct | 711636347 |
9 | 270736464 |
10 | 120012007 |
11 | 6181a885 |
12 | 34237487 |
13 | 1bb2c52b |
14 | 11d20223 |
15 | a8091a7 |
hex | 7273ce7 |
120012007 has 2 divisors, whose sum is σ = 120012008. Its totient is φ = 120012006.
The previous prime is 120012001. The next prime is 120012017. The reversal of 120012007 is 700210021.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120012007 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120012001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006003 + 60006004.
It is an arithmetic number, because the mean of its divisors is an integer number (60006004).
Almost surely, 2120012007 is an apocalyptic number.
120012007 is a deficient number, since it is larger than the sum of its proper divisors (1).
120012007 is an equidigital number, since it uses as much as digits as its factorization.
120012007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 28, while the sum is 13.
The square root of 120012007 is about 10954.9991784573. Note that the first 3 decimals coincide. The cubic root of 120012007 is about 493.2588653221.
Adding to 120012007 its reverse (700210021), we get a palindrome (820222028).
The spelling of 120012007 in words is "one hundred twenty million, twelve thousand, seven".
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