Base | Representation |
---|---|
bin | 11001010111001… |
… | …10011000000000 |
3 | 112211100010022200 |
4 | 30223212120000 |
5 | 413431142333 |
6 | 33040033200 |
7 | 5162252535 |
oct | 1453463000 |
9 | 484303280 |
10 | 212755968 |
11 | aa105787 |
12 | 5b302800 |
13 | 35102409 |
14 | 20382d8c |
15 | 13a28c13 |
hex | cae6600 |
212755968 has 60 divisors (see below), whose sum is σ = 614041428. Its totient is φ = 70917120.
The previous prime is 212755967. The next prime is 212755987. The reversal of 212755968 is 869557212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212755967) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18478 + ... + 27693.
Almost surely, 2212755968 is an apocalyptic number.
It is an amenable number.
212755968 is an abundant number, since it is smaller than the sum of its proper divisors (401285460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212755968 is an equidigital number, since it uses as much as digits as its factorization.
212755968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46195 (or 46176 counting only the distinct ones).
The product of its digits is 302400, while the sum is 45.
The square root of 212755968 is about 14586.1567247853. The cubic root of 212755968 is about 596.9811025726.
The spelling of 212755968 in words is "two hundred twelve million, seven hundred fifty-five thousand, nine hundred sixty-eight".
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