Base | Representation |
---|---|
bin | 1100010110001011011… |
… | …0100101100110101001 |
3 | 202021111102220122202212 |
4 | 3011202312211212221 |
5 | 11433401114440343 |
6 | 241235353334505 |
7 | 21216221120252 |
oct | 3054266454651 |
9 | 667442818685 |
10 | 212111874473 |
11 | 81a57694814 |
12 | 35137a07435 |
13 | 170046c42c5 |
14 | a3a2901b29 |
15 | 57b6942c18 |
hex | 3162da59a9 |
212111874473 has 8 divisors (see below), whose sum is σ = 228721405920. Its totient is φ = 196046917920.
The previous prime is 212111874439. The next prime is 212111874517. The reversal of 212111874473 is 374478111212.
212111874473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212111874473 - 28 = 212111874217 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 212111874473.
It is not an unprimeable number, because it can be changed into a prime (212111874973) 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 7 ways as a sum of consecutive naturals, for example, 136142915 + ... + 136144472.
It is an arithmetic number, because the mean of its divisors is an integer number (28590175740).
Almost surely, 2212111874473 is an apocalyptic number.
It is an amenable number.
212111874473 is a deficient number, since it is larger than the sum of its proper divisors (16609531447).
212111874473 is a wasteful number, since it uses less digits than its factorization.
212111874473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272287447.
The product of its digits is 75264, while the sum is 41.
Adding to 212111874473 its reverse (374478111212), we get a palindrome (586589985685).
The spelling of 212111874473 in words is "two hundred twelve billion, one hundred eleven million, eight hundred seventy-four thousand, four hundred seventy-three".
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