Search a number
-
+
80777176132 = 22171187899649
BaseRepresentation
bin100101100111010110…
…0011110010001000100
321201111111111201020011
41023032230132101010
52310412424114012
6101035235120004
75556506445142
oct1131654362104
9251444451204
1080777176132
1131291679004
12137a4143004
137804156153
143ca4082592
15217b8381a7
hex12ceb1e444

80777176132 has 12 divisors (see below), whose sum is σ = 149675355900. Its totient is φ = 38012788736.

The previous prime is 80777176049. The next prime is 80777176141. The reversal of 80777176132 is 23167177708.

It can be written as a sum of positive squares in 2 ways, for example, as 25559695876 + 55217480256 = 159874^2 + 234984^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593949757 + ... + 593949892.

It is an arithmetic number, because the mean of its divisors is an integer number (12472946325).

Almost surely, 280777176132 is an apocalyptic number.

It is an amenable number.

80777176132 is a deficient number, since it is larger than the sum of its proper divisors (68898179768).

80777176132 is a wasteful number, since it uses less digits than its factorization.

80777176132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187899670 (or 1187899668 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 49.

The spelling of 80777176132 in words is "eighty billion, seven hundred seventy-seven million, one hundred seventy-six thousand, one hundred thirty-two".

Divisors: 1 2 4 17 34 68 1187899649 2375799298 4751598596 20194294033 40388588066 80777176132