Base | Representation |
---|---|
bin | 11001110101110… |
… | …01111000000001 |
3 | 120002212221210111 |
4 | 30322321320001 |
5 | 420443034001 |
6 | 33302031321 |
7 | 5241332452 |
oct | 1472717001 |
9 | 502787714 |
10 | 216768001 |
11 | 1013a600a |
12 | 60718541 |
13 | 35ba85b8 |
14 | 20b09129 |
15 | 1406c851 |
hex | ceb9e01 |
216768001 has 8 divisors (see below), whose sum is σ = 218764800. Its totient is φ = 214780560.
The previous prime is 216767989. The next prime is 216768043. The reversal of 216768001 is 100867612.
216768001 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 216768001 - 211 = 216765953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (216768091) 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, 49270 + ... + 53488.
It is an arithmetic number, because the mean of its divisors is an integer number (27345600).
Almost surely, 2216768001 is an apocalyptic number.
It is an amenable number.
216768001 is a deficient number, since it is larger than the sum of its proper divisors (1996799).
216768001 is a wasteful number, since it uses less digits than its factorization.
216768001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4679.
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 216768001 is about 14723.0431976545. The cubic root of 216768001 is about 600.7102708973.
The spelling of 216768001 in words is "two hundred sixteen million, seven hundred sixty-eight thousand, one".
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