Search a number
-
+
53505244051 = 77643606293
BaseRepresentation
bin110001110101001010…
…010011101110010011
312010002212120000111121
4301311022103232103
51334034320302201
640325135023111
73602624033110
oct616512235623
9163085500447
1053505244051
1120767351866
12a45296aa97
13507902422c
142838095907
1515d248a9a1
hexc75293b93

53505244051 has 4 divisors (see below), whose sum is σ = 61148850352. Its totient is φ = 45861637752.

The previous prime is 53505244033. The next prime is 53505244147. The reversal of 53505244051 is 15044250535.

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

It is not a de Polignac number, because 53505244051 - 213 = 53505235859 is a prime.

It is a super-2 number, since 2×535052440512 (a number of 22 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 = 53505243998 and 53505244016.

It is not an unprimeable number, because it can be changed into a prime (53505244021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3821803140 + ... + 3821803153.

It is an arithmetic number, because the mean of its divisors is an integer number (15287212588).

Almost surely, 253505244051 is an apocalyptic number.

53505244051 is a deficient number, since it is larger than the sum of its proper divisors (7643606301).

53505244051 is an equidigital number, since it uses as much as digits as its factorization.

53505244051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7643606300.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 53505244051 its reverse (15044250535), we get a palindrome (68549494586).

The spelling of 53505244051 in words is "fifty-three billion, five hundred five million, two hundred forty-four thousand, fifty-one".

Divisors: 1 7 7643606293 53505244051