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84244028880 = 24351131910617
BaseRepresentation
bin100111001110101010…
…1011101110111010000
322001110010000002010210
41032131111131313100
52340012432411010
6102411241524120
76041434300434
oct1163525356720
9261403002123
1084244028880
1132800615870
12143b11a3640
137c374880cb
1441126929c4
1522d0d98b20
hex139d55ddd0

84244028880 has 80 divisors (see below), whose sum is σ = 284897997504. Its totient is φ = 20422794240.

The previous prime is 84244028873. The next prime is 84244029017. The reversal of 84244028880 is 8882044248.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15952669 + ... + 15957948.

Almost surely, 284244028880 is an apocalyptic number.

84244028880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84244028880 is an abundant number, since it is smaller than the sum of its proper divisors (200653968624).

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

84244028880 is a wasteful number, since it uses less digits than its factorization.

84244028880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31910644 (or 31910638 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 48.

It can be divided in two parts, 8424 and 4028880, that added together give a palindrome (4037304).

The spelling of 84244028880 in words is "eighty-four billion, two hundred forty-four million, twenty-eight thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 31910617 63821234 95731851 127642468 159553085 191463702 255284936 319106170 351016787 382927404 478659255 510569872 638212340 702033574 765854808 957318510 1053050361 1276424680 1404067148 1531709616 1755083935 1914637020 2106100722 2552849360 2808134296 3510167870 3829274040 4212201444 5265251805 5616268592 7020335740 7658548080 8424402888 10530503610 14040671480 16848805776 21061007220 28081342960 42122014440 84244028880