Base | Representation |
---|---|
bin | 101111000010010101… |
… | …011110100110001001 |
3 | 11211100210011101200010 |
4 | 233002111132212021 |
5 | 1311413243104010 |
6 | 35111322302133 |
7 | 3435363563130 |
oct | 570225364611 |
9 | 154323141603 |
10 | 50505050505 |
11 | 1a467869a68 |
12 | 9956057949 |
13 | 49bb5a2890 |
14 | 263183c917 |
15 | 14a8da9620 |
hex | bc255e989 |
50505050505 has 128 divisors (see below), whose sum is σ = 103165848576. Its totient is φ = 20528640000.
The previous prime is 50505050429. The next prime is 50505050567.
50505050505 is nontrivially palindromic in base 10.
50505050505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 50505050505 - 28 = 50505050249 is a prime.
It is an alternating number because its digits alternate between odd and even.
50505050505 is an undulating number in base 10.
50505050505 is a modest number, since divided by 5050505 gives 505 as remainder.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5096055 + ... + 5105955.
It is an arithmetic number, because the mean of its divisors is an integer number (805983192).
Almost surely, 250505050505 is an apocalyptic number.
It is an amenable number.
50505050505 is an abundant number, since it is smaller than the sum of its proper divisors (52660798071).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50505050505 is a wasteful number, since it uses less digits than its factorization.
50505050505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10067.
The product of its (nonzero) digits is 15625, while the sum is 30.
It can be divided in two parts, 505050 and 50505, that added together give a palindrome (555555).
The spelling of 50505050505 in words is "fifty billion, five hundred five million, fifty thousand, five hundred five".
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