Base | Representation |
---|---|
bin | 1100010101110111111… |
… | …0101100010011110101 |
3 | 202021021202001202010122 |
4 | 3011131332230103311 |
5 | 11433214202104023 |
6 | 241223313101325 |
7 | 21214206136535 |
oct | 3053576542365 |
9 | 667252052118 |
10 | 212030113013 |
11 | 81a15520164 |
12 | 35114557845 |
13 | 16cc0798244 |
14 | a395adb4c5 |
15 | 57ae6922c8 |
hex | 315dfac4f5 |
212030113013 has 4 divisors (see below), whose sum is σ = 224502472620. Its totient is φ = 199557753408.
The previous prime is 212030113007. The next prime is 212030113019. The reversal of 212030113013 is 310311030212.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (212030113007) and next prime (212030113019).
It can be written as a sum of positive squares in 2 ways, for example, as 196516663204 + 15513449809 = 443302^2 + 124553^2 .
It is a cyclic number.
It is not a de Polignac number, because 212030113013 - 24 = 212030112997 is a prime.
It is a super-4 number, since 4×2120301130134 (a number of 46 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 12472359589 = 212030113013 / (2 + 1 + 2 + 0 + 3 + 0 + 1 + 1 + 3 + 0 + 1 + 3).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 212030112982 and 212030113000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212030113019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6236179778 + ... + 6236179811.
It is an arithmetic number, because the mean of its divisors is an integer number (56125618155).
Almost surely, 2212030113013 is an apocalyptic number.
It is an amenable number.
212030113013 is a deficient number, since it is larger than the sum of its proper divisors (12472359607).
212030113013 is a wasteful number, since it uses less digits than its factorization.
212030113013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12472359606.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 212030113013 its reverse (310311030212), we get a palindrome (522341143225).
The spelling of 212030113013 in words is "two hundred twelve billion, thirty million, one hundred thirteen thousand, thirteen".
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