Base | Representation |
---|---|
bin | 11001010001011… |
… | …10000100101000 |
3 | 112202220202210021 |
4 | 30220232010220 |
5 | 413233013224 |
6 | 33011530224 |
7 | 5152656622 |
oct | 1450560450 |
9 | 482822707 |
10 | 212001064 |
11 | a973a5a0 |
12 | 5abb9974 |
13 | 34bc9922 |
14 | 20227c12 |
15 | 1392a1e4 |
hex | ca2e128 |
212001064 has 32 divisors (see below), whose sum is σ = 447632640. Its totient is φ = 93254400.
The previous prime is 212001059. The next prime is 212001079. The reversal of 212001064 is 460100212.
It is a super-2 number, since 2×2120010642 = 89888902274264192, which contains 22 as substring.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 36129 + ... + 41584.
It is an arithmetic number, because the mean of its divisors is an integer number (13988520).
Almost surely, 2212001064 is an apocalyptic number.
It is an amenable number.
212001064 is an abundant number, since it is smaller than the sum of its proper divisors (235631576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212001064 is a wasteful number, since it uses less digits than its factorization.
212001064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77761 (or 77757 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 212001064 is about 14560.2563164252. The cubic root of 212001064 is about 596.2741933115.
Adding to 212001064 its reverse (460100212), we get a palindrome (672101276).
The spelling of 212001064 in words is "two hundred twelve million, one thousand, sixty-four".
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