Base | Representation |
---|---|
bin | 11001010010111… |
… | …10110101100001 |
3 | 112210021220202221 |
4 | 30221132311201 |
5 | 413310411201 |
6 | 33020111041 |
7 | 5154451141 |
oct | 1451366541 |
9 | 483256687 |
10 | 212200801 |
11 | a986666a |
12 | 5b095481 |
13 | 34c69807 |
14 | 2027a921 |
15 | 139694a1 |
hex | ca5ed61 |
212200801 has 8 divisors (see below), whose sum is σ = 220564800. Its totient is φ = 203906640.
The previous prime is 212200799. The next prime is 212200811. The reversal of 212200801 is 108002212.
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 212200801 - 21 = 212200799 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212200811) 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, 11221 + ... + 23458.
It is an arithmetic number, because the mean of its divisors is an integer number (27570600).
Almost surely, 2212200801 is an apocalyptic number.
It is an amenable number.
212200801 is a deficient number, since it is larger than the sum of its proper divisors (8363999).
212200801 is a wasteful number, since it uses less digits than its factorization.
212200801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34919.
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 212200801 is about 14567.1136811655. The cubic root of 212200801 is about 596.4613946288.
The spelling of 212200801 in words is "two hundred twelve million, two hundred thousand, eight hundred one".
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