Base | Representation |
---|---|
bin | 1100011000100100101… |
… | …1111100110101111101 |
3 | 202100011021002021100012 |
4 | 3012021023330311331 |
5 | 11441210240241033 |
6 | 241423250113005 |
7 | 21241160510600 |
oct | 3061113746575 |
9 | 670137067305 |
10 | 212755008893 |
11 | 82257724169 |
12 | 3529727b765 |
13 | 170a7a1330b |
14 | a4240b6337 |
15 | 5803131248 |
hex | 31892fcd7d |
212755008893 has 48 divisors (see below), whose sum is σ = 278194291200. Its totient is φ = 161424627840.
The previous prime is 212755008889. The next prime is 212755008911. The reversal of 212755008893 is 398800557212.
It is a happy number.
It is not a de Polignac number, because 212755008893 - 22 = 212755008889 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212755008833) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 709871 + ... + 964067.
It is an arithmetic number, because the mean of its divisors is an integer number (5795714400).
Almost surely, 2212755008893 is an apocalyptic number.
It is an amenable number.
212755008893 is a deficient number, since it is larger than the sum of its proper divisors (65439282307).
212755008893 is a wasteful number, since it uses less digits than its factorization.
212755008893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 254290 (or 254283 counting only the distinct ones).
The product of its (nonzero) digits is 1209600, while the sum is 50.
The spelling of 212755008893 in words is "two hundred twelve billion, seven hundred fifty-five million, eight thousand, eight hundred ninety-three".
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