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80280177712 = 2473126387917
BaseRepresentation
bin100101011000100010…
…0100100110000110000
321200012212022120120021
41022301010210300300
52303403211141322
6100514042453224
75541263152150
oct1126104446060
9250185276507
1080280177712
1131057081809
1213685804214
1377551b2347
143c5806c760
15214cdb44c7
hex12b1124c30

80280177712 has 80 divisors (see below), whose sum is σ = 184197353472. Its totient is φ = 33168948480.

The previous prime is 80280177667. The next prime is 80280177773. The reversal of 80280177712 is 21777108208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869178 + ... + 957094.

Almost surely, 280280177712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80280177712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92098676736).

80280177712 is an abundant number, since it is smaller than the sum of its proper divisors (103917175760).

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

80280177712 is a wasteful number, since it uses less digits than its factorization.

80280177712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88226 (or 88220 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 43.

The spelling of 80280177712 in words is "eighty billion, two hundred eighty million, one hundred seventy-seven thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 31 56 62 112 124 217 248 263 434 496 526 868 1052 1736 1841 2104 3472 3682 4208 7364 8153 14728 16306 29456 32612 57071 65224 87917 114142 130448 175834 228284 351668 456568 615419 703336 913136 1230838 1406672 2461676 2725427 4923352 5450854 9846704 10901708 19077989 21803416 23122171 38155978 43606832 46244342 76311956 92488684 152623912 161855197 184977368 305247824 323710394 369954736 647420788 716787301 1294841576 1433574602 2589683152 2867149204 5017511107 5734298408 10035022214 11468596816 20070044428 40140088856 80280177712