Search a number
-
+
450381350585 = 5724811242757
BaseRepresentation
bin1101000110111001101…
…00100000011010111001
31121001111211222011021102
412203130310200122321
524334340111204320
6542522523221145
744352604213025
oct6433464403271
91531454864242
10450381350585
11164007592821
12733539777b5
13336173bcbaa
1417b27401385
15baae9bb175
hex68dcd206b9

450381350585 has 8 divisors (see below), whose sum is σ = 540465512136. Its totient is φ = 360299819520.

The previous prime is 450381350563. The next prime is 450381350599. The reversal of 450381350585 is 585053183054.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18841405696 + 431539944889 = 137264^2 + 656917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450381350585 - 214 = 450381334201 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 258974 + ... + 983783.

It is an arithmetic number, because the mean of its divisors is an integer number (67558189017).

Almost surely, 2450381350585 is an apocalyptic number.

It is an amenable number.

450381350585 is a deficient number, since it is larger than the sum of its proper divisors (90084161551).

450381350585 is a wasteful number, since it uses less digits than its factorization.

450381350585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315243.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 450381350585 in words is "four hundred fifty billion, three hundred eighty-one million, three hundred fifty thousand, five hundred eighty-five".

Divisors: 1 5 72481 362405 1242757 6213785 90076270117 450381350585