Base | Representation |
---|---|
bin | 111001011010101110010101… |
… | …1001001100000001101000001 |
3 | 2110020020022220102112110110112 |
4 | 1302311130223021200031001 |
5 | 1012144220324120343200 |
6 | 4550052511452041105 |
7 | 211244450231130446 |
oct | 16265345311401501 |
9 | 2406208812473415 |
10 | 505050223215425 |
11 | 136a19662411438 |
12 | 4878a149a63195 |
13 | 188a705481cab4 |
14 | 8ca07c00399cd |
15 | 3d5c7ae3a7535 |
hex | 1cb572b260341 |
505050223215425 has 24 divisors (see below), whose sum is σ = 626427348434136. Its totient is φ = 403933694883840.
The previous prime is 505050223215403. The next prime is 505050223215437. The reversal of 505050223215425 is 524512322050505.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 25422177445681 + 479628045769744 = 5042041^2 + 21900412^2 .
It is not a de Polignac number, because 505050223215425 - 224 = 505050206438209 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1493456957 + ... + 1493795093.
It is an arithmetic number, because the mean of its divisors is an integer number (26101139518089).
Almost surely, 2505050223215425 is an apocalyptic number.
It is an amenable number.
505050223215425 is a deficient number, since it is larger than the sum of its proper divisors (121377125218711).
505050223215425 is a wasteful number, since it uses less digits than its factorization.
505050223215425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 353717 (or 353712 counting only the distinct ones).
The product of its (nonzero) digits is 600000, while the sum is 41.
The spelling of 505050223215425 in words is "five hundred five trillion, fifty billion, two hundred twenty-three million, two hundred fifteen thousand, four hundred twenty-five".
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