Base | Representation |
---|---|
bin | 11110000110011… |
… | …100001111010101 |
3 | 1022012020220122101 |
4 | 132012130033111 |
5 | 2013240130023 |
6 | 122040002101 |
7 | 15341320552 |
oct | 3606341725 |
9 | 1265226571 |
10 | 505005013 |
11 | 23a075817 |
12 | 121160331 |
13 | 80818246 |
14 | 4b0d9a29 |
15 | 2e5061ad |
hex | 1e19c3d5 |
505005013 has 8 divisors (see below), whose sum is σ = 514036800. Its totient is φ = 495989088.
The previous prime is 505005001. The next prime is 505005019. The reversal of 505005013 is 310500505.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 505005013 - 29 = 505004501 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (505005019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73593 + ... + 80161.
It is an arithmetic number, because the mean of its divisors is an integer number (64254600).
Almost surely, 2505005013 is an apocalyptic number.
It is an amenable number.
505005013 is a deficient number, since it is larger than the sum of its proper divisors (9031787).
505005013 is a wasteful number, since it uses less digits than its factorization.
505005013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7931.
The product of its (nonzero) digits is 375, while the sum is 19.
The square root of 505005013 is about 22472.3165917535. The cubic root of 505005013 is about 796.3400591798.
Adding to 505005013 its reverse (310500505), we get a palindrome (815505518).
The spelling of 505005013 in words is "five hundred five million, five thousand, thirteen".
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