Base | Representation |
---|---|
bin | 1100011000100100101… |
… | …1111100110101111110 |
3 | 202100011021002021100020 |
4 | 3012021023330311332 |
5 | 11441210240241034 |
6 | 241423250113010 |
7 | 21241160510601 |
oct | 3061113746576 |
9 | 670137067306 |
10 | 212755008894 |
11 | 8225772416a |
12 | 3529727b766 |
13 | 170a7a1330c |
14 | a4240b6338 |
15 | 5803131249 |
hex | 31892fcd7e |
212755008894 has 32 divisors (see below), whose sum is σ = 445282790400. Its totient is φ = 67640545632.
The previous prime is 212755008889. The next prime is 212755008911. The reversal of 212755008894 is 498800557212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2160582 + ... + 2256905.
It is an arithmetic number, because the mean of its divisors is an integer number (13915087200).
Almost surely, 2212755008894 is an apocalyptic number.
212755008894 is an abundant number, since it is smaller than the sum of its proper divisors (232527781506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212755008894 is a wasteful number, since it uses less digits than its factorization.
212755008894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4417864.
The product of its (nonzero) digits is 1612800, while the sum is 51.
The spelling of 212755008894 in words is "two hundred twelve billion, seven hundred fifty-five million, eight thousand, eight hundred ninety-four".
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