Search a number
-
+
50505605605 = 5721344935317
BaseRepresentation
bin101111000010010111…
…100110000111100101
311211100211012121010101
4233002113212013211
51311413413334410
635111342224101
73435401364400
oct570227460745
9154324177111
1050505605605
111a468109024
129956285031
1349bb738440
142631944d37
1514a8e68d3a
hexbc25e61e5

50505605605 has 48 divisors (see below), whose sum is σ = 76096162800. Its totient is φ = 31896281088.

The previous prime is 50505605593. The next prime is 50505605627. The reversal of 50505605605 is 50650650505.

It can be written as a sum of positive squares in 8 ways, for example, as 2091964644 + 48413640961 = 45738^2 + 220031^2 .

It is not a de Polignac number, because 50505605605 - 217 = 50505474533 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1412407 + ... + 1447723.

It is an arithmetic number, because the mean of its divisors is an integer number (1585336725).

Almost surely, 250505605605 is an apocalyptic number.

It is an amenable number.

50505605605 is a deficient number, since it is larger than the sum of its proper divisors (25590557195).

50505605605 is a wasteful number, since it uses less digits than its factorization.

50505605605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35798 (or 35791 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 50505605605 in words is "fifty billion, five hundred five million, six hundred five thousand, six hundred five".

Divisors: 1 5 7 13 35 49 65 91 245 449 455 637 2245 3143 3185 5837 15715 22001 29185 35317 40859 110005 176585 204295 247219 286013 459121 1236095 1430065 1730533 2295605 3213847 8652665 15857333 16069235 22496929 79286665 111001331 112484645 206145329 555006655 777009317 1030726645 1443017303 3885046585 7215086515 10101121121 50505605605