Search a number
-
+
51441369455 = 5727722212389
BaseRepresentation
bin101111111010001001…
…010000000101101111
311220210001000022210202
4233322021100011233
51320322442310310
635344251024115
73500523266030
oct577211200557
9156701008722
1051441369455
111a8a8348283
129b7773b03b
134b0a574468
1426bdd30a87
1515111ac3a5
hexbfa25016f

51441369455 has 32 divisors (see below), whose sum is σ = 70864379520. Its totient is φ = 35116208640.

The previous prime is 51441369451. The next prime is 51441369461. The reversal of 51441369455 is 55496314415.

It is not a de Polignac number, because 51441369455 - 22 = 51441369451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51441369451) 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 31 ways as a sum of consecutive naturals, for example, 21531401 + ... + 21533789.

It is an arithmetic number, because the mean of its divisors is an integer number (2214511860).

Almost surely, 251441369455 is an apocalyptic number.

51441369455 is a deficient number, since it is larger than the sum of its proper divisors (19423010065).

51441369455 is a wasteful number, since it uses less digits than its factorization.

51441369455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4899.

The product of its digits is 1296000, while the sum is 47.

The spelling of 51441369455 in words is "fifty-one billion, four hundred forty-one million, three hundred sixty-nine thousand, four hundred fifty-five".

Divisors: 1 5 7 35 277 1385 1939 2221 2389 9695 11105 11945 15547 16723 77735 83615 615217 661753 3076085 3308765 4306519 4632271 5305969 21532595 23161355 26529845 37141783 185708915 1469753413 7348767065 10288273891 51441369455