Base | Representation |
---|---|
bin | 1110010101001… |
… | …00111001111001 |
3 | 22101012110101112 |
4 | 13022210321321 |
5 | 221233304423 |
6 | 15532330105 |
7 | 2656536356 |
oct | 712447171 |
9 | 271173345 |
10 | 120213113 |
11 | 61947989 |
12 | 34313935 |
13 | 1bb9cc27 |
14 | 11d7362d |
15 | a848a78 |
hex | 72a4e79 |
120213113 has 4 divisors (see below), whose sum is σ = 120933120. Its totient is φ = 119493108.
The previous prime is 120213089. The next prime is 120213139. The reversal of 120213113 is 311312021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311312021 = 439 ⋅709139.
It is a cyclic number.
It is not a de Polignac number, because 120213113 - 210 = 120212089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120213013) 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, 359753 + ... + 360086.
It is an arithmetic number, because the mean of its divisors is an integer number (30233280).
Almost surely, 2120213113 is an apocalyptic number.
It is an amenable number.
120213113 is a deficient number, since it is larger than the sum of its proper divisors (720007).
120213113 is an equidigital number, since it uses as much as digits as its factorization.
120213113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 720006.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 120213113 is about 10964.1740683008. The cubic root of 120213113 is about 493.5342321029.
Adding to 120213113 its reverse (311312021), we get a palindrome (431525134).
The spelling of 120213113 in words is "one hundred twenty million, two hundred thirteen thousand, one hundred thirteen".
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