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80783754152 = 2369114613559
BaseRepresentation
bin100101100111100010…
…1100100001110101000
321201111221212220120112
41023033011210032220
52310421120113102
6101040032113452
75556616403063
oct1131705441650
9251457786515
1080783754152
1131295361192
12137a6395888
13780561a27a
143ca4cb58da
15217c1d7252
hex12cf1643a8

80783754152 has 16 divisors (see below), whose sum is σ = 151688752800. Its totient is φ = 40333420080.

The previous prime is 80783754133. The next prime is 80783754167. The reversal of 80783754152 is 25145738708.

It is a self number, because there is not a number n which added to its sum of digits gives 80783754152.

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, 7301252 + ... + 7312307.

It is an arithmetic number, because the mean of its divisors is an integer number (9480547050).

Almost surely, 280783754152 is an apocalyptic number.

It is an amenable number.

80783754152 is a deficient number, since it is larger than the sum of its proper divisors (70904998648).

80783754152 is a wasteful number, since it uses less digits than its factorization.

80783754152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14614256 (or 14614252 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 80783754152 in words is "eighty billion, seven hundred eighty-three million, seven hundred fifty-four thousand, one hundred fifty-two".

Divisors: 1 2 4 8 691 1382 2764 5528 14613559 29227118 58454236 116908472 10097969269 20195938538 40391877076 80783754152