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28441883904 = 283723273137
BaseRepresentation
bin11010011111010001…
…001011010100000000
32201102011102101220120
4122133101023110000
5431222110241104
621022132140240
72024550011220
oct323721132400
981364371816
1028441883904
111107577a385
125619167680
1328b3635505
14153b538080
15b16e4ecd9
hex69f44b500

28441883904 has 432 divisors, whose sum is σ = 92343603072. Its totient is φ = 7610499072.

The previous prime is 28441883903. The next prime is 28441883941. The reversal of 28441883904 is 40938814482.

It is a super-2 number, since 2×284418839042 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28441883903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 207604924 + ... + 207605060.

Almost surely, 228441883904 is an apocalyptic number.

28441883904 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 28441883904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46171801536).

28441883904 is an abundant number, since it is smaller than the sum of its proper divisors (63901719168).

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

28441883904 is a wasteful number, since it uses less digits than its factorization.

28441883904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 245 counting only the distinct ones).

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

The spelling of 28441883904 in words is "twenty-eight billion, four hundred forty-one million, eight hundred eighty-three thousand, nine hundred four".