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80744244155 = 517393345947
BaseRepresentation
bin100101100110010111…
…0110110001110111011
321201102012112121001022
41023030232312032323
52310331011303110
6101032101213055
75555626515431
oct1131456661673
9251365477038
1080744244155
11312750257a3
121379510118b
1377ca395783
143c9d94cd51
1521789d0755
hex12ccbb63bb

80744244155 has 8 divisors (see below), whose sum is σ = 97453169712. Its totient is φ = 64222010848.

The previous prime is 80744244131. The next prime is 80744244167. The reversal of 80744244155 is 55144244708.

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 80744244155 - 232 = 76449276859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46672109 + ... + 46673838.

It is an arithmetic number, because the mean of its divisors is an integer number (12181646214).

Almost surely, 280744244155 is an apocalyptic number.

80744244155 is a deficient number, since it is larger than the sum of its proper divisors (16708925557).

80744244155 is a wasteful number, since it uses less digits than its factorization.

80744244155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93346125.

The product of its (nonzero) digits is 716800, while the sum is 44.

The spelling of 80744244155 in words is "eighty billion, seven hundred forty-four million, two hundred forty-four thousand, one hundred fifty-five".

Divisors: 1 5 173 865 93345947 466729735 16148848831 80744244155