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28316288382 = 2342111120727
BaseRepresentation
bin11010010111110010…
…000100010101111110
32201002102002111020120
4122113302010111332
5430442432212012
621001444155410
72021463323424
oct322762042576
981072074216
1028316288382
1111010896628
1255a3098b66
1328935cc735
1415289a3114
15b0ade158c
hex697c8457e

28316288382 has 16 divisors (see below), whose sum is σ = 56646076032. Its totient is φ = 9436512920.

The previous prime is 28316288347. The next prime is 28316288393. The reversal of 28316288382 is 28388261382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535098 + ... + 585629.

It is an arithmetic number, because the mean of its divisors is an integer number (3540379752).

Almost surely, 228316288382 is an apocalyptic number.

28316288382 is an abundant number, since it is smaller than the sum of its proper divisors (28329787650).

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

28316288382 is a wasteful number, since it uses less digits than its factorization.

28316288382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124943.

The product of its digits is 1769472, while the sum is 51.

The spelling of 28316288382 in words is "twenty-eight billion, three hundred sixteen million, two hundred eighty-eight thousand, three hundred eighty-two".

Divisors: 1 2 3 6 4211 8422 12633 25266 1120727 2241454 3362181 6724362 4719381397 9438762794 14158144191 28316288382