Base | Representation |
---|---|
bin | 11110100010101… |
… | …100100101101100 |
3 | 1022201012020010200 |
4 | 132202230211230 |
5 | 2022134141022 |
6 | 122502433500 |
7 | 15461300400 |
oct | 3642544554 |
9 | 1281166120 |
10 | 512412012 |
11 | 243274802 |
12 | 123732890 |
13 | 8220c798 |
14 | 4c0a7100 |
15 | 2eebabac |
hex | 1e8ac96c |
512412012 has 108 divisors (see below), whose sum is σ = 1526222880. Its totient is φ = 144510912.
The previous prime is 512411983. The next prime is 512412013. The reversal of 512412012 is 210214215.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (512412013) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 137518 + ... + 141194.
Almost surely, 2512412012 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 512412012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763111440).
512412012 is an abundant number, since it is smaller than the sum of its proper divisors (1013810868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
512412012 is a wasteful number, since it uses less digits than its factorization.
512412012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3780 (or 3768 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 512412012 is about 22636.5194321035. The cubic root of 512412012 is about 800.2145320482.
Adding to 512412012 its reverse (210214215), we get a palindrome (722626227).
The spelling of 512412012 in words is "five hundred twelve million, four hundred twelve thousand, twelve".
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