Base | Representation |
---|---|
bin | 11001010010000… |
… | …00110110111000 |
3 | 112210001200100001 |
4 | 30221000312320 |
5 | 413242444013 |
6 | 33013322344 |
7 | 5153430142 |
oct | 1451006670 |
9 | 483050301 |
10 | 212078008 |
11 | a979238a |
12 | 5b0363b4 |
13 | 34c2595c |
14 | 20247c92 |
15 | 13942ddd |
hex | ca40db8 |
212078008 has 8 divisors (see below), whose sum is σ = 397646280. Its totient is φ = 106039000.
The previous prime is 212078003. The next prime is 212078023. The reversal of 212078008 is 800870212.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212078003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13254868 + ... + 13254883.
It is an arithmetic number, because the mean of its divisors is an integer number (49705785).
Almost surely, 2212078008 is an apocalyptic number.
It is an amenable number.
212078008 is a deficient number, since it is larger than the sum of its proper divisors (185568272).
212078008 is a wasteful number, since it uses less digits than its factorization.
212078008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26509757 (or 26509753 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 28.
The square root of 212078008 is about 14562.8983378996. The cubic root of 212078008 is about 596.3463221509.
The spelling of 212078008 in words is "two hundred twelve million, seventy-eight thousand, eight".
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