Search a number
-
+
6424581304255 = 51284916260851
BaseRepresentation
bin101110101111101011011…
…1000101110111110111111
3211202011222010011120010011
41131133112320232332333
51320230020303214010
621355224545524051
71232106054024232
oct135372670567677
924664863146104
106424581304255
112057716726534
12879163343627
13377ab254848a
14182d468a9419
15b21b88eaa8a
hex5d7d6e2efbf

6424581304255 has 4 divisors (see below), whose sum is σ = 7709497565112. Its totient is φ = 5139665043400.

The previous prime is 6424581304249. The next prime is 6424581304259. The reversal of 6424581304255 is 5524031854246.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6424581304255 - 227 = 6424447086527 is a prime.

It is a super-2 number, since 2×64245813042552 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6424581304199 and 6424581304208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424581304259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642458130421 + ... + 642458130430.

It is an arithmetic number, because the mean of its divisors is an integer number (1927374391278).

Almost surely, 26424581304255 is an apocalyptic number.

6424581304255 is a deficient number, since it is larger than the sum of its proper divisors (1284916260857).

6424581304255 is a wasteful number, since it uses less digits than its factorization.

6424581304255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284916260856.

The product of its (nonzero) digits is 4608000, while the sum is 49.

It can be divided in two parts, 6424581 and 304255, that added together give a square (6728836 = 25942).

The spelling of 6424581304255 in words is "six trillion, four hundred twenty-four billion, five hundred eighty-one million, three hundred four thousand, two hundred fifty-five".

Divisors: 1 5 1284916260851 6424581304255