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51324240401 = 712176024679
BaseRepresentation
bin101111110011001010…
…011100001000010001
311220110212121112221122
4233303022130020101
51320103001143101
635324504332025
73464601562640
oct576312341021
9156425545848
1051324240401
111a848217505
129b44474015
134abc214225
1426ac561357
151505c7251b
hexbf329c211

51324240401 has 8 divisors (see below), whose sum is σ = 58704481920. Its totient is φ = 43956050688.

The previous prime is 51324240377. The next prime is 51324240433. The reversal of 51324240401 is 10404242315.

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

It is a cyclic number.

It is not a de Polignac number, because 51324240401 - 210 = 51324239377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51324240481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003821 + ... + 3020858.

It is an arithmetic number, because the mean of its divisors is an integer number (7338060240).

Almost surely, 251324240401 is an apocalyptic number.

It is an amenable number.

51324240401 is a deficient number, since it is larger than the sum of its proper divisors (7380241519).

51324240401 is a wasteful number, since it uses less digits than its factorization.

51324240401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025903.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 51324240401 its reverse (10404242315), we get a palindrome (61728482716).

The spelling of 51324240401 in words is "fifty-one billion, three hundred twenty-four million, two hundred forty thousand, four hundred one".

Divisors: 1 7 1217 8519 6024679 42172753 7332034343 51324240401