Search a number
-
+
5085445805 = 511517117881
BaseRepresentation
bin1001011110001110…
…11011111010101101
3111010102011102011122
410233013123322231
540403333231210
62200342430325
7240010401416
oct45707337255
914112142148
105085445805
11217a668780
12b9b1323a5
1363077793b
1436358480d
151eb6d3b55
hex12f1dbead

5085445805 has 16 divisors (see below), whose sum is σ = 6658970688. Its totient is φ = 3697584000.

The previous prime is 5085445777. The next prime is 5085445811.

5085445805 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5085445805 - 216 = 5085380269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275465 + ... + 293345.

It is an arithmetic number, because the mean of its divisors is an integer number (416185668).

Almost surely, 25085445805 is an apocalyptic number.

5085445805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5085445805 is a deficient number, since it is larger than the sum of its proper divisors (1573524883).

5085445805 is a wasteful number, since it uses less digits than its factorization.

5085445805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23068.

The product of its (nonzero) digits is 640000, while the sum is 44.

The square root of 5085445805 is about 71312.3117350714. The cubic root of 5085445805 is about 1719.6616655819.

The spelling of 5085445805 in words is "five billion, eighty-five million, four hundred forty-five thousand, eight hundred five".

Divisors: 1 5 11 55 5171 17881 25855 56881 89405 196691 284405 983455 92462651 462313255 1017089161 5085445805