Base | Representation |
---|---|
bin | 1110010011101… |
… | …00000011001111 |
3 | 22100211021220012 |
4 | 13021310003033 |
5 | 221210404012 |
6 | 15524143435 |
7 | 2655044102 |
oct | 711640317 |
9 | 270737805 |
10 | 120013007 |
11 | 61820604 |
12 | 34237b7b |
13 | 1bb2cb1a |
14 | 11d20739 |
15 | a809622 |
hex | 72740cf |
120013007 has 4 divisors (see below), whose sum is σ = 120113160. Its totient is φ = 119912856.
The previous prime is 120013001. The next prime is 120013009. The reversal of 120013007 is 700310021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700310021 = 1399 ⋅500579.
It is a cyclic number.
It is not a de Polignac number, because 120013007 - 28 = 120012751 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120012982 and 120013000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120013001) 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, 48257 + ... + 50682.
It is an arithmetic number, because the mean of its divisors is an integer number (30028290).
Almost surely, 2120013007 is an apocalyptic number.
120013007 is a deficient number, since it is larger than the sum of its proper divisors (100153).
120013007 is an equidigital number, since it uses as much as digits as its factorization.
120013007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100152.
The product of its (nonzero) digits is 42, while the sum is 14.
The square root of 120013007 is about 10955.0448196253. The cubic root of 120013007 is about 493.2602353447.
Adding to 120013007 its reverse (700310021), we get a palindrome (820323028).
The spelling of 120013007 in words is "one hundred twenty million, thirteen thousand, seven".
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