Base | Representation |
---|---|
bin | 1100010101110011100… |
… | …1101110000101001011 |
3 | 202021020111001011002202 |
4 | 3011130321232011023 |
5 | 11433200040013311 |
6 | 241221425350415 |
7 | 21213566353301 |
oct | 3053471560513 |
9 | 667214034082 |
10 | 212012032331 |
11 | 81a062a0950 |
12 | 3510a49840b |
13 | 16cb9b07608 |
14 | a393552271 |
15 | 57accbee3b |
hex | 315ce6e14b |
212012032331 has 8 divisors (see below), whose sum is σ = 231293190144. Its totient is φ = 192732097320.
The previous prime is 212012032319. The next prime is 212012032367. The reversal of 212012032331 is 133230210212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212012032331 - 214 = 212012015947 is a prime.
It is a super-2 number, since 2×2120120323312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212012032031) 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, 77750 + ... + 655796.
It is an arithmetic number, because the mean of its divisors is an integer number (28911648768).
Almost surely, 2212012032331 is an apocalyptic number.
212012032331 is a deficient number, since it is larger than the sum of its proper divisors (19281157813).
212012032331 is a wasteful number, since it uses less digits than its factorization.
212012032331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611401.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 212012032331 its reverse (133230210212), we get a palindrome (345242242543).
The spelling of 212012032331 in words is "two hundred twelve billion, twelve million, thirty-two thousand, three hundred thirty-one".
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