Search a number
-
+
65240928863 = 1127721411529
BaseRepresentation
bin111100110000101010…
…011001001001011111
320020101202022120120122
4330300222121021133
52032103134210423
645545443305155
74466505513455
oct746052311137
9206352276518
1065240928863
1125739892530
121078907b1bb
1361c94a3626
14322c94c9d5
151a6c8ea8c8
hexf30a9925f

65240928863 has 8 divisors (see below), whose sum is σ = 71428864080. Its totient is φ = 59095817280.

The previous prime is 65240928859. The next prime is 65240928899. The reversal of 65240928863 is 36882904256.

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 65240928863 - 22 = 65240928859 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 (65240928163) 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 7 ways as a sum of consecutive naturals, for example, 10702718 + ... + 10708811.

It is an arithmetic number, because the mean of its divisors is an integer number (8928608010).

Almost surely, 265240928863 is an apocalyptic number.

65240928863 is a deficient number, since it is larger than the sum of its proper divisors (6187935217).

65240928863 is a wasteful number, since it uses less digits than its factorization.

65240928863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21411817.

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 65240928863 in words is "sixty-five billion, two hundred forty million, nine hundred twenty-eight thousand, eight hundred sixty-three".

Divisors: 1 11 277 3047 21411529 235526819 5930993533 65240928863