Base | Representation |
---|---|
bin | 110000010000000110000001… |
… | …011101000010101101100100 |
3 | 1000211101021210212011000211110 |
4 | 300100012001131002231210 |
5 | 210303341102004032322 |
6 | 2031200535513505020 |
7 | 62461553263150551 |
oct | 6020060135025544 |
9 | 1024337725130743 |
10 | 212212211002212 |
11 | 61687769828013 |
12 | 1b974194112170 |
13 | 91546aaa6c515 |
14 | 3a591a9349a28 |
15 | 19801d7483c0c |
hex | c10181742b64 |
212212211002212 has 24 divisors (see below), whose sum is σ = 499060737688576. Its totient is φ = 70180416236448.
The previous prime is 212212211002199. The next prime is 212212211002279. The reversal of 212212211002212 is 212200112212212.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69623427283 + ... + 69623430330.
Almost surely, 2212212211002212 is an apocalyptic number.
It is an amenable number.
212212211002212 is an abundant number, since it is smaller than the sum of its proper divisors (286848526686364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212212211002212 is a wasteful number, since it uses less digits than its factorization.
212212211002212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139246857747 (or 139246857745 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 212212211002212 its reverse (212200112212212), we get a palindrome (424412323214424).
The spelling of 212212211002212 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred eleven million, two thousand, two hundred twelve".
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