Base | Representation |
---|---|
bin | 111011111101110… |
… | …0100001000101101 |
3 | 12012020010102201020 |
4 | 1313323210020231 |
5 | 13110044300323 |
6 | 531354204353 |
7 | 100601411061 |
oct | 16773441055 |
9 | 5166112636 |
10 | 2012103213 |
11 | 942863a1a |
12 | 481a236b9 |
13 | 260b24323 |
14 | 151329aa1 |
15 | bb9a3ae3 |
hex | 77ee422d |
2012103213 has 8 divisors (see below), whose sum is σ = 2683060800. Its totient is φ = 1341273888.
The previous prime is 2012103209. The next prime is 2012103271. The reversal of 2012103213 is 3123012102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2012103213 - 22 = 2012103209 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2012103192 and 2012103201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012103283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13993 + ... + 64961.
It is an arithmetic number, because the mean of its divisors is an integer number (335382600).
Almost surely, 22012103213 is an apocalyptic number.
It is an amenable number.
2012103213 is a deficient number, since it is larger than the sum of its proper divisors (670957587).
2012103213 is a wasteful number, since it uses less digits than its factorization.
2012103213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64131.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2012103213 is about 44856.4734793095. The cubic root of 2012103213 is about 1262.4574557830.
Adding to 2012103213 its reverse (3123012102), we get a palindrome (5135115315).
The spelling of 2012103213 in words is "two billion, twelve million, one hundred three thousand, two hundred thirteen".
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