Base | Representation |
---|---|
bin | 1110111001110001001… |
… | …01110000101100100111 |
3 | 1210221200200102010020121 |
4 | 13130320211300230213 |
5 | 31342134413443421 |
6 | 1031122135542411 |
7 | 51665042462200 |
oct | 7347045605447 |
9 | 1727620363217 |
10 | 512050531111 |
11 | 1881831a2919 |
12 | 832a482aa07 |
13 | 393948c5662 |
14 | 1aad78365a7 |
15 | d4bda35d41 |
hex | 7738970b27 |
512050531111 has 24 divisors (see below), whose sum is σ = 596955938400. Its totient is φ = 437939453952.
The previous prime is 512050531049. The next prime is 512050531117. The reversal of 512050531111 is 111135050215.
It is not a de Polignac number, because 512050531111 - 27 = 512050530983 is a prime.
It is a super-2 number, since 2×5120505311112 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (512050531117) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80800135 + ... + 80806471.
It is an arithmetic number, because the mean of its divisors is an integer number (24873164100).
Almost surely, 2512050531111 is an apocalyptic number.
512050531111 is a deficient number, since it is larger than the sum of its proper divisors (84905407289).
512050531111 is a wasteful number, since it uses less digits than its factorization.
512050531111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9703 (or 9696 counting only the distinct ones).
The product of its (nonzero) digits is 750, while the sum is 25.
Adding to 512050531111 its reverse (111135050215), we get a palindrome (623185581326).
The spelling of 512050531111 in words is "five hundred twelve billion, fifty million, five hundred thirty-one thousand, one hundred eleven".
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