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28582414044 = 2232381867837
BaseRepresentation
bin11010100111101001…
…010000011011011100
32201202221212002000120
4122213221100123130
5432014044222134
621044112154540
72031204340122
oct324751203334
981687762016
1028582414044
1111138033798
125658238a50
132906799c42
141552079912
15b2445d649
hex6a7a506dc

28582414044 has 12 divisors (see below), whose sum is σ = 66692299464. Its totient is φ = 9527471344.

The previous prime is 28582413997. The next prime is 28582414051. The reversal of 28582414044 is 44041428582.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 28582413987 and 28582414005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190933907 + ... + 1190933930.

It is an arithmetic number, because the mean of its divisors is an integer number (5557691622).

Almost surely, 228582414044 is an apocalyptic number.

It is an amenable number.

28582414044 is an abundant number, since it is smaller than the sum of its proper divisors (38109885420).

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

28582414044 is a wasteful number, since it uses less digits than its factorization.

28582414044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381867844 (or 2381867842 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 42.

The spelling of 28582414044 in words is "twenty-eight billion, five hundred eighty-two million, four hundred fourteen thousand, forty-four".

Divisors: 1 2 3 4 6 12 2381867837 4763735674 7145603511 9527471348 14291207022 28582414044