Base | Representation |
---|---|
bin | 1110111010011101001… |
… | …11010101111010011100 |
3 | 1210222122102201100020121 |
4 | 13131032213111322130 |
5 | 31343414012410234 |
6 | 1031222535524324 |
7 | 52010150340430 |
oct | 7351647257234 |
9 | 1728572640217 |
10 | 512420044444 |
11 | 188352835740 |
12 | 833885296a4 |
13 | 394233215b9 |
14 | 1ab309429c0 |
15 | d4e11c64b4 |
hex | 774e9d5e9c |
512420044444 has 48 divisors (see below), whose sum is σ = 1122258525696. Its totient is φ = 198885038400.
The previous prime is 512420044427. The next prime is 512420044453. The reversal of 512420044444 is 444440024215.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3081927 + ... + 3243934.
It is an arithmetic number, because the mean of its divisors is an integer number (23380385952).
Almost surely, 2512420044444 is an apocalyptic number.
It is an amenable number.
512420044444 is an abundant number, since it is smaller than the sum of its proper divisors (609838481252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
512420044444 is a wasteful number, since it uses less digits than its factorization.
512420044444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6326146 (or 6326144 counting only the distinct ones).
The product of its (nonzero) digits is 81920, while the sum is 34.
Adding to 512420044444 its reverse (444440024215), we get a palindrome (956860068659).
The spelling of 512420044444 in words is "five hundred twelve billion, four hundred twenty million, forty-four thousand, four hundred forty-four".
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