Base | Representation |
---|---|
bin | 11001010100011… |
… | …00000111010111 |
3 | 112210122100011220 |
4 | 30222030013113 |
5 | 413332330023 |
6 | 33024101423 |
7 | 5156152635 |
oct | 1452140727 |
9 | 483570156 |
10 | 212386263 |
11 | a9982a41 |
12 | 5b164873 |
13 | 3500305b |
14 | 202c8355 |
15 | 139a43e3 |
hex | ca8c1d7 |
212386263 has 8 divisors (see below), whose sum is σ = 284190576. Its totient is φ = 141086400.
The previous prime is 212386261. The next prime is 212386267. The reversal of 212386263 is 362683212.
It is a happy number.
212386263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212386263 - 21 = 212386261 is a prime.
It is a super-2 number, since 2×2123862632 = 90215849422210338, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212386261) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125128 + ... + 126813.
It is an arithmetic number, because the mean of its divisors is an integer number (35523822).
Almost surely, 2212386263 is an apocalyptic number.
212386263 is a deficient number, since it is larger than the sum of its proper divisors (71804313).
212386263 is a wasteful number, since it uses less digits than its factorization.
212386263 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252225.
The product of its digits is 20736, while the sum is 33.
The square root of 212386263 is about 14573.4780680523. The cubic root of 212386263 is about 596.6351117103.
The spelling of 212386263 in words is "two hundred twelve million, three hundred eighty-six thousand, two hundred sixty-three".
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