Base | Representation |
---|---|
bin | 101111110001110011110110… |
… | …010010011110111100111101 |
3 | 1000120000100010111021112102101 |
4 | 233301303312102132330331 |
5 | 210020242004134430023 |
6 | 2022524522240225101 |
7 | 62155320562565356 |
oct | 5761636622367475 |
9 | 1016010114245371 |
10 | 210131112030013 |
11 | 60a551166a8069 |
12 | 1b69899830b191 |
13 | 90333817c2445 |
14 | 39c6585bacd2d |
15 | 1945ed47a61ad |
hex | bf1cf649ef3d |
210131112030013 has 4 divisors (see below), whose sum is σ = 210948742816380. Its totient is φ = 209313481243648.
The previous prime is 210131112030011. The next prime is 210131112030053. The reversal of 210131112030013 is 310030211131012.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 186498271534969 + 23632840495044 = 13656437^2 + 4861362^2 .
It is a cyclic number.
It is not a de Polignac number, because 210131112030013 - 21 = 210131112030011 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 (210131112030011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408815392798 + ... + 408815393311.
It is an arithmetic number, because the mean of its divisors is an integer number (52737185704095).
Almost surely, 2210131112030013 is an apocalyptic number.
It is an amenable number.
210131112030013 is a deficient number, since it is larger than the sum of its proper divisors (817630786367).
210131112030013 is an equidigital number, since it uses as much as digits as its factorization.
210131112030013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 817630786366.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 210131112030013 its reverse (310030211131012), we get a palindrome (520161323161025).
The spelling of 210131112030013 in words is "two hundred ten trillion, one hundred thirty-one billion, one hundred twelve million, thirty thousand, thirteen".
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