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80308007265 = 3549731076587
BaseRepresentation
bin100101011001010111…
…0101111000101100001
321200021210200110112110
41022302232233011201
52303432322213030
6100520515145533
75542051540653
oct1126256570541
9250253613473
1080308007265
113107085a542
1213692ba52a9
13775aba7435
143c5ba346d3
1521505601b0
hex12b2baf161

80308007265 has 16 divisors (see below), whose sum is σ = 128518769088. Its totient is φ = 42822284736.

The previous prime is 80308007231. The next prime is 80308007279. The reversal of 80308007265 is 56270080308.

It is not a de Polignac number, because 80308007265 - 27 = 80308007137 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 463699 + ... + 612888.

It is an arithmetic number, because the mean of its divisors is an integer number (8032423068).

Almost surely, 280308007265 is an apocalyptic number.

It is an amenable number.

80308007265 is a deficient number, since it is larger than the sum of its proper divisors (48210761823).

80308007265 is a wasteful number, since it uses less digits than its factorization.

80308007265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081568.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 80308007265 in words is "eighty billion, three hundred eight million, seven thousand, two hundred sixty-five".

Divisors: 1 3 5 15 4973 14919 24865 74595 1076587 3229761 5382935 16148805 5353867151 16061601453 26769335755 80308007265