Search a number
-
+
65807831132 = 2241401267263
BaseRepresentation
bin111101010010011100…
…111101000001011100
320021212021001012021222
4331102130331001130
52034233301044012
650122014112512
74516531222661
oct752234750134
9207767035258
1065807831132
11259aa8945aa
1210906aab738
136289a81264
143283d5ba68
151aa257b972
hexf5273d05c

65807831132 has 12 divisors (see below), whose sum is σ = 117972575616. Its totient is φ = 32101380960.

The previous prime is 65807831107. The next prime is 65807831149. The reversal of 65807831132 is 23113870856.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 200633468 + ... + 200633795.

It is an arithmetic number, because the mean of its divisors is an integer number (9831047968).

Almost surely, 265807831132 is an apocalyptic number.

It is an amenable number.

65807831132 is a deficient number, since it is larger than the sum of its proper divisors (52164744484).

65807831132 is a wasteful number, since it uses less digits than its factorization.

65807831132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401267308 (or 401267306 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 65807831132 in words is "sixty-five billion, eight hundred seven million, eight hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 41 82 164 401267263 802534526 1605069052 16451957783 32903915566 65807831132