Base | Representation |
---|---|
bin | 110111111011110111… |
… | …0001111111000010101 |
3 | 102111001101101001202021 |
4 | 1233313232033320111 |
5 | 3432001233304023 |
6 | 131103225013141 |
7 | 11451455651443 |
oct | 1576756177025 |
9 | 374041331667 |
10 | 120120213013 |
11 | 46a40801a19 |
12 | 1b3440241b1 |
13 | b434087228 |
14 | 5b572b9b93 |
15 | 31d07ee35d |
hex | 1bf7b8fe15 |
120120213013 has 4 divisors (see below), whose sum is σ = 123049974348. Its totient is φ = 117190451680.
The previous prime is 120120212969. The next prime is 120120213029. The reversal of 120120213013 is 310312021021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310312021021 = 503 ⋅616922507.
It can be written as a sum of positive squares in 2 ways, for example, as 2332600209 + 117787612804 = 48297^2 + 343202^2 .
It is a cyclic number.
It is not a de Polignac number, because 120120213013 - 229 = 119583342101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120120213613) 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, 1464880606 + ... + 1464880687.
It is an arithmetic number, because the mean of its divisors is an integer number (30762493587).
Almost surely, 2120120213013 is an apocalyptic number.
It is an amenable number.
120120213013 is a deficient number, since it is larger than the sum of its proper divisors (2929761335).
120120213013 is an equidigital number, since it uses as much as digits as its factorization.
120120213013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2929761334.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 120120213013 its reverse (310312021021), we get a palindrome (430432234034).
The spelling of 120120213013 in words is "one hundred twenty billion, one hundred twenty million, two hundred thirteen thousand, thirteen".
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