Base | Representation |
---|---|
bin | 111110110001001… |
… | …1111000101110011 |
3 | 12102210011122121010 |
4 | 1331202133011303 |
5 | 13303141122433 |
6 | 544555002003 |
7 | 103123224111 |
oct | 17542370563 |
9 | 5383148533 |
10 | 2106192243 |
11 | 990988451 |
12 | 4a9439303 |
13 | 2774784cc |
14 | 15da1cab1 |
15 | c4d8be63 |
hex | 7d89f173 |
2106192243 has 8 divisors (see below), whose sum is σ = 2826854656. Its totient is φ = 1394829000.
The previous prime is 2106192241. The next prime is 2106192269. The reversal of 2106192243 is 3422916012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2106192243 - 21 = 2106192241 is a prime.
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 2106192243.
It is not an unprimeable number, because it can be changed into a prime (2106192241) 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, 2324263 + ... + 2325168.
It is an arithmetic number, because the mean of its divisors is an integer number (353356832).
Almost surely, 22106192243 is an apocalyptic number.
2106192243 is a deficient number, since it is larger than the sum of its proper divisors (720662413).
2106192243 is a wasteful number, since it uses less digits than its factorization.
2106192243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4649585.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 2106192243 is about 45893.2701275470. The cubic root of 2106192243 is about 1281.8366056362.
The spelling of 2106192243 in words is "two billion, one hundred six million, one hundred ninety-two thousand, two hundred forty-three".
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