Base | Representation |
---|---|
bin | 1110111001110001001… |
… | …01011011000010110100 |
3 | 1210221200200020121120202 |
4 | 13130320211123002310 |
5 | 31342134403124140 |
6 | 1031122134020032 |
7 | 51665041642466 |
oct | 7347045330264 |
9 | 1727620217522 |
10 | 512050442420 |
11 | 188183142220 |
12 | 832a47a7618 |
13 | 3939489418a |
14 | 1aad7812136 |
15 | d4bda19915 |
hex | 773895b0b4 |
512050442420 has 96 divisors (see below), whose sum is σ = 1242342251136. Its totient is φ = 175208038400.
The previous prime is 512050442419. The next prime is 512050442521. The reversal of 512050442420 is 24244050215.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20336759 + ... + 20361921.
It is an arithmetic number, because the mean of its divisors is an integer number (12941065116).
Almost surely, 2512050442420 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 512050442420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621171125568).
512050442420 is an abundant number, since it is smaller than the sum of its proper divisors (730291808716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
512050442420 is a wasteful number, since it uses less digits than its factorization.
512050442420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30641 (or 30639 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 29.
Adding to 512050442420 its reverse (24244050215), we get a palindrome (536294492635).
The spelling of 512050442420 in words is "five hundred twelve billion, fifty million, four hundred forty-two thousand, four hundred twenty".
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