Base | Representation |
---|---|
bin | 1110101101100100111… |
… | …00100010110010001011 |
3 | 1210022210111211201101011 |
4 | 13112302130202302023 |
5 | 31240233240004322 |
6 | 1024120434304351 |
7 | 51343612415626 |
oct | 7266234426213 |
9 | 1708714751334 |
10 | 505505000587 |
11 | 185424437964 |
12 | 81b787280b7 |
13 | 388907c2882 |
14 | 1a6763bcdbd |
15 | d23908e677 |
hex | 75b2722c8b |
505505000587 has 4 divisors (see below), whose sum is σ = 505516953240. Its totient is φ = 505493047936.
The previous prime is 505505000569. The next prime is 505505000659. The reversal of 505505000587 is 785000505505.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 505505000587 - 27 = 505505000459 is a prime.
It is a super-4 number, since 4×5055050005874 (a number of 48 digits) contains 4444 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (505505000557) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5912662 + ... + 5997547.
It is an arithmetic number, because the mean of its divisors is an integer number (126379238310).
Almost surely, 2505505000587 is an apocalyptic number.
505505000587 is a deficient number, since it is larger than the sum of its proper divisors (11952653).
505505000587 is a wasteful number, since it uses less digits than its factorization.
505505000587 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11952652.
The product of its (nonzero) digits is 175000, while the sum is 40.
The spelling of 505505000587 in words is "five hundred five billion, five hundred five million, five hundred eighty-seven", and thus it is an aban number.
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