Base | Representation |
---|---|
bin | 100011110010110… |
… | …0100100000101100 |
3 | 10002200221201002111 |
4 | 1013211210200230 |
5 | 4424430444322 |
6 | 315102133404 |
7 | 41522411503 |
oct | 10745444054 |
9 | 3080851074 |
10 | 1201031212 |
11 | 566a50587 |
12 | 296281264 |
13 | 161a95974 |
14 | b571b83a |
15 | 70691177 |
hex | 4796482c |
1201031212 has 12 divisors (see below), whose sum is σ = 2110527496. Its totient is φ = 598023360.
The previous prime is 1201031203. The next prime is 1201031231. The reversal of 1201031212 is 2121301021.
It is a junction number, because it is equal to n+sod(n) for n = 1201031192 and 1201031201.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621978 + ... + 623905.
Almost surely, 21201031212 is an apocalyptic number.
It is an amenable number.
1201031212 is a deficient number, since it is larger than the sum of its proper divisors (909496284).
1201031212 is a wasteful number, since it uses less digits than its factorization.
1201031212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1246128 (or 1246126 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 1201031212 is about 34655.8972182225. The cubic root of 1201031212 is about 1062.9628782163.
Adding to 1201031212 its reverse (2121301021), we get a palindrome (3322332233).
The spelling of 1201031212 in words is "one billion, two hundred one million, thirty-one thousand, two hundred twelve".
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