Base | Representation |
---|---|
bin | 1100010110001011000… |
… | …0010100000111111111 |
3 | 202021111022211010000000 |
4 | 3011202300110013333 |
5 | 11433400204330030 |
6 | 241235254205343 |
7 | 21216201131025 |
oct | 3054260240777 |
9 | 667438733000 |
10 | 212110230015 |
11 | 81a56771262 |
12 | 35137353853 |
13 | 17004269958 |
14 | a3a25d4715 |
15 | 57b671a860 |
hex | 3162c141ff |
212110230015 has 64 divisors (see below), whose sum is σ = 381944401920. Its totient is φ = 113064960672.
The previous prime is 212110230011. The next prime is 212110230019. The reversal of 212110230015 is 510032011212.
212110230015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (212110230011) and next prime (212110230019).
It is not a de Polignac number, because 212110230015 - 22 = 212110230011 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 212110230015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212110230011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26753982 + ... + 26761908.
It is an arithmetic number, because the mean of its divisors is an integer number (5967881280).
Almost surely, 2212110230015 is an apocalyptic number.
212110230015 is a deficient number, since it is larger than the sum of its proper divisors (169834171905).
212110230015 is an frugal number, since it uses more digits than its factorization.
212110230015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10400 (or 10382 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
Adding to 212110230015 its reverse (510032011212), we get a palindrome (722142241227).
The spelling of 212110230015 in words is "two hundred twelve billion, one hundred ten million, two hundred thirty thousand, fifteen".
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