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28160323584 = 212313916487
BaseRepresentation
bin11010001110011111…
…000111000000000000
32200200112121122202120
4122032133013000000
5430133020323314
620534153244240
72014560541521
oct321637070000
980615548676
1028160323584
1110a4084a9a8
12555aa03680
13286a1c2883
141511da4848
15aec3848a9
hex68e7c7000

28160323584 has 104 divisors (see below), whose sum is σ = 75629796480. Its totient is φ = 9318678528.

The previous prime is 28160323571. The next prime is 28160323627. The reversal of 28160323584 is 48532306182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699789 + ... + 1716275.

Almost surely, 228160323584 is an apocalyptic number.

28160323584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28160323584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37814898240).

28160323584 is an abundant number, since it is smaller than the sum of its proper divisors (47469472896).

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

28160323584 is a wasteful number, since it uses less digits than its factorization.

28160323584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16653 (or 16631 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 28160323584 in words is "twenty-eight billion, one hundred sixty million, three hundred twenty-three thousand, five hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 139 192 256 278 384 417 512 556 768 834 1024 1112 1536 1668 2048 2224 3072 3336 4096 4448 6144 6672 8896 12288 13344 16487 17792 26688 32974 35584 49461 53376 65948 71168 98922 106752 131896 142336 197844 213504 263792 284672 395688 427008 527584 569344 791376 854016 1055168 1582752 1708032 2110336 2291693 3165504 4220672 4583386 6331008 6875079 8441344 9166772 12662016 13750158 16882688 18333544 25324032 27500316 33765376 36667088 50648064 55000632 67530752 73334176 101296128 110001264 146668352 202592256 220002528 293336704 440005056 586673408 880010112 1173346816 1760020224 2346693632 3520040448 4693387264 7040080896 9386774528 14080161792 28160323584