Search a number
-
+
51427104313 = 137354190837
BaseRepresentation
bin101111111001010010…
…110101011000111001
311220202001011120201011
4233321102311120321
51320310314314223
635343021153521
73500261113504
oct577122653071
9156661146634
1051427104313
111a8a0294702
129b729bb8a1
134b0761b450
1426bc09a13b
15150ece080d
hexbf94b5639

51427104313 has 8 divisors (see below), whose sum is σ = 56141708168. Its totient is φ = 46820882304.

The previous prime is 51427104271. The next prime is 51427104331. The reversal of 51427104313 is 31340172415.

It can be written as a sum of positive squares in 4 ways, for example, as 843495849 + 50583608464 = 29043^2 + 224908^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51427104313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51467104313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27094470 + ... + 27096367.

It is an arithmetic number, because the mean of its divisors is an integer number (7017713521).

Almost surely, 251427104313 is an apocalyptic number.

It is an amenable number.

51427104313 is a deficient number, since it is larger than the sum of its proper divisors (4714603855).

51427104313 is a wasteful number, since it uses less digits than its factorization.

51427104313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54190923.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 51427104313 its reverse (31340172415), we get a palindrome (82767276728).

The spelling of 51427104313 in words is "fifty-one billion, four hundred twenty-seven million, one hundred four thousand, three hundred thirteen".

Divisors: 1 13 73 949 54190837 704480881 3955931101 51427104313