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80544223692 = 22341913083857
BaseRepresentation
bin100101100000011001…
…1110101000111001100
321200220021011111120000
41023000303311013030
52304423310124232
6101000154124300
75550650414412
oct1130063650714
9250807144500
1080544223692
1131182129429
121373a120690
137797b0207a
143c811632b2
15216617027c
hex12c0cf51cc

80544223692 has 60 divisors (see below), whose sum is σ = 221640554520. Its totient is φ = 25435016064.

The previous prime is 80544223651. The next prime is 80544223693. The reversal of 80544223692 is 29632244508.

80544223692 is a `hidden beast` number, since 80 + 544 + 2 + 23 + 6 + 9 + 2 = 666.

It is a super-2 number, since 2×805442236922 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80544223693) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 6535773 + ... + 6548084.

It is an arithmetic number, because the mean of its divisors is an integer number (3694009242).

Almost surely, 280544223692 is an apocalyptic number.

It is an amenable number.

80544223692 is an abundant number, since it is smaller than the sum of its proper divisors (141096330828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80544223692 is a wasteful number, since it uses less digits than its factorization.

80544223692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13083892 (or 13083881 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 80544223692 in words is "eighty billion, five hundred forty-four million, two hundred twenty-three thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 81 108 114 162 171 228 324 342 513 684 1026 1539 2052 3078 6156 13083857 26167714 39251571 52335428 78503142 117754713 157006284 235509426 248593283 353264139 471018852 497186566 706528278 745779849 994373132 1059792417 1413056556 1491559698 2119584834 2237339547 2983119396 4239169668 4474679094 6712018641 8949358188 13424037282 20136055923 26848074564 40272111846 80544223692