Base | Representation |
---|---|
bin | 1110110011001000001… |
… | …11111010111000100100 |
3 | 1210121111021000001202100 |
4 | 13121210013322320210 |
5 | 31312334400014344 |
6 | 1025332322212100 |
7 | 51510520110441 |
oct | 7314407727044 |
9 | 1717437001670 |
10 | 508485938724 |
11 | 1867140688a5 |
12 | 8266aab4030 |
13 | 38c472619aa |
14 | 1a87a2629c8 |
15 | d360b1a569 |
hex | 76641fae24 |
508485938724 has 81 divisors (see below), whose sum is σ = 1365590536401. Its totient is φ = 159502181760.
The previous prime is 508485938677. The next prime is 508485938729. The reversal of 508485938724 is 427839584805.
The square root of 508485938724 is 713082.
It is a perfect power (a square), and thus also a powerful number.
508485938724 is a `hidden beast` number, since 50 + 8 + 485 + 9 + 3 + 87 + 24 = 666.
It can be written as a sum of positive squares in only one way, i.e., 395880056100 + 112605882624 = 629190^2 + 335568^2 .
It is not an unprimeable number, because it can be changed into a prime (508485938729) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 72730869 + ... + 72737859.
Almost surely, 2508485938724 is an apocalyptic number.
508485938724 is the 713082-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 508485938724
508485938724 is an abundant number, since it is smaller than the sum of its proper divisors (857104597677).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
508485938724 is an equidigital number, since it uses as much as digits as its factorization.
508485938724 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14026 (or 7013 counting only the distinct ones).
The product of its (nonzero) digits is 77414400, while the sum is 63.
It can be divided in two parts, 508485 and 938724, that added together give a square (1447209 = 12032).
The spelling of 508485938724 in words is "five hundred eight billion, four hundred eighty-five million, nine hundred thirty-eight thousand, seven hundred twenty-four".
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