Search a number
-
+
65068616851807 = 298859125327013
BaseRepresentation
bin11101100101101111101111…
…10010110010000101011111
322112101111110210012212122011
432302313313302302011133
532012041011403224212
6350220035424132051
716464023661342322
oct1662676762620537
9275344423185564
1065068616851807
1119807499971a58
12736a898167027
132a3cc3765baca
14120d4a312c7b9
1577c8b626d4a7
hex3b2df7cb215f

65068616851807 has 8 divisors (see below), whose sum is σ = 67313124728640. Its totient is φ = 62824159806240.

The previous prime is 65068616851753. The next prime is 65068616851829. The reversal of 65068616851807 is 70815861686056.

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-65068616851807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65068616851877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10094368 + ... + 15232645.

It is an arithmetic number, because the mean of its divisors is an integer number (8414140591080).

Almost surely, 265068616851807 is an apocalyptic number.

65068616851807 is a deficient number, since it is larger than the sum of its proper divisors (2244507876833).

65068616851807 is a wasteful number, since it uses less digits than its factorization.

65068616851807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25415633.

The product of its (nonzero) digits is 116121600, while the sum is 67.

The spelling of 65068616851807 in words is "sixty-five trillion, sixty-eight billion, six hundred sixteen million, eight hundred fifty-one thousand, eight hundred seven".

Divisors: 1 29 88591 2569139 25327013 734483377 2243745408683 65068616851807