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80884452560872 = 2373138500774933
BaseRepresentation
bin10010011001000001100001…
…000100000000111111101000
3101121101110220120101100212111
4102121001201010000333220
541100202324323421442
6444005445440252104
723015465064624112
oct2231014104007750
9347343816340774
1080884452560872
11238549a38a9894
1290a3b47611034
1336194a954a5ac
1415d8b851723b2
15953ecc066b17
hex499061100fe8

80884452560872 has 16 divisors (see below), whose sum is σ = 153735860176740. Its totient is φ = 39888223180416.

The previous prime is 80884452560861. The next prime is 80884452560971. The reversal of 80884452560872 is 27806525448808.

It can be written as a sum of positive squares in 2 ways, for example, as 77006837825316 + 3877614735556 = 8775354^2 + 1969166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80884452560798 and 80884452560807.

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, 69250386883 + ... + 69250388050.

Almost surely, 280884452560872 is an apocalyptic number.

It is an amenable number.

80884452560872 is a deficient number, since it is larger than the sum of its proper divisors (72851407615868).

80884452560872 is a wasteful number, since it uses less digits than its factorization.

80884452560872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138500775012 (or 138500775008 counting only the distinct ones).

The product of its (nonzero) digits is 275251200, while the sum is 67.

The spelling of 80884452560872 in words is "eighty trillion, eight hundred eighty-four billion, four hundred fifty-two million, five hundred sixty thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 73 146 292 584 138500774933 277001549866 554003099732 1108006199464 10110556570109 20221113140218 40442226280436 80884452560872