Base | Representation |
---|---|
bin | 101111000010010101… |
… | …010011101110110001 |
3 | 11211100210002010121211 |
4 | 233002111103232301 |
5 | 1311413240143001 |
6 | 35111321320121 |
7 | 3435363316312 |
oct | 570225235661 |
9 | 154323063554 |
10 | 50505006001 |
11 | 1a46783958a |
12 | 9956036041 |
13 | 49bb588548 |
14 | 263182a609 |
15 | 14a8d9b351 |
hex | bc2553bb1 |
50505006001 has 4 divisors (see below), whose sum is σ = 50583797604. Its totient is φ = 50426214400.
The previous prime is 50505005927. The next prime is 50505006029. The reversal of 50505006001 is 10060050505.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10060050505 = 5 ⋅2012010101.
It can be written as a sum of positive squares in 2 ways, for example, as 29902709776 + 20602296225 = 172924^2 + 143535^2 .
It is a cyclic number.
It is not a de Polignac number, because 50505006001 - 211 = 50505003953 is a prime.
It is a super-2 number, since 2×505050060012 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50505006061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39394840 + ... + 39396121.
It is an arithmetic number, because the mean of its divisors is an integer number (12645949401).
Almost surely, 250505006001 is an apocalyptic number.
It is an amenable number.
50505006001 is a deficient number, since it is larger than the sum of its proper divisors (78791603).
50505006001 is an equidigital number, since it uses as much as digits as its factorization.
50505006001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78791602.
The product of its (nonzero) digits is 750, while the sum is 22.
Adding to 50505006001 its reverse (10060050505), we get a palindrome (60565056506).
The spelling of 50505006001 in words is "fifty billion, five hundred five million, six thousand, one".
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