Base | Representation |
---|---|
bin | 111100110011110… |
… | …011001100101100 |
3 | 2122002201010210002 |
4 | 330303303030230 |
5 | 4042133241022 |
6 | 245122403432 |
7 | 34165442021 |
oct | 7463631454 |
9 | 2562633702 |
10 | 1020212012 |
11 | 483979426 |
12 | 245800578 |
13 | 133495c61 |
14 | 996cd548 |
15 | 5e875092 |
hex | 3ccf332c |
1020212012 has 24 divisors (see below), whose sum is σ = 1864417632. Its totient is φ = 487555200.
The previous prime is 1020211991. The next prime is 1020212029. The reversal of 1020212012 is 2102120201.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1020211984 and 1020212002.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145712 + ... + 152552.
It is an arithmetic number, because the mean of its divisors is an integer number (77684068).
Almost surely, 21020212012 is an apocalyptic number.
It is an amenable number.
1020212012 is a deficient number, since it is larger than the sum of its proper divisors (844205620).
1020212012 is a wasteful number, since it uses less digits than its factorization.
1020212012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8489 (or 8487 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 1020212012 is about 31940.7578494938. The cubic root of 1020212012 is about 1006.6924485500.
Adding to 1020212012 its reverse (2102120201), we get a palindrome (3122332213).
The spelling of 1020212012 in words is "one billion, twenty million, two hundred twelve thousand, twelve".
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