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50505050505 = 35713371019901
BaseRepresentation
bin101111000010010101…
…011110100110001001
311211100210011101200010
4233002111132212021
51311413243104010
635111322302133
73435363563130
oct570225364611
9154323141603
1050505050505
111a467869a68
129956057949
1349bb5a2890
14263183c917
1514a8da9620
hexbc255e989

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".

Divisors: 1 3 5 7 13 15 21 35 37 39 65 91 101 105 111 185 195 259 273 303 455 481 505 555 707 777 1295 1313 1365 1443 1515 2121 2405 3367 3535 3737 3885 3939 6565 7215 9191 9901 10101 10605 11211 16835 18685 19695 26159 27573 29703 45955 48581 49505 50505 56055 69307 78477 128713 130795 137865 145743 148515 207921 242905 340067 346535 366337 386139 392385 643565 728715 900991 1000001 1020201 1039605 1099011 1700335 1831685 1930695 2564359 2702973 3000003 4504955 4762381 5000005 5101005 5495055 7000007 7693077 12821795 13000013 13514865 14287143 15000015 21000021 23811905 33336667 35000035 37000037 38465385 39000039 65000065 71435715 91000091 100010001 105000105 111000111 166683335 185000185 195000195 259000259 273000273 455000455 481000481 500050005 555000555 777000777 1295001295 1365001365 1443001443 2405002405 3367003367 3885003885 7215007215 10101010101 16835016835 50505050505