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28017852016 = 24711273127223
BaseRepresentation
bin11010000101111111…
…100111111001110000
32200022121112100111211
4122011333213321300
5424340032231031
620512103445504
72011210545520
oct320577477160
980277470454
1028017852016
111097838aa00
12551b156894
13284682b57b
1414db0b9680
15adeae0bb1
hex685fe7e70

28017852016 has 240 divisors, whose sum is σ = 69983076352. Its totient is φ = 10633835520.

The previous prime is 28017852011. The next prime is 28017852061. The reversal of 28017852016 is 61025871082.

It is a self number, because there is not a number n which added to its sum of digits gives 28017852016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28017852011) 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, 125640481 + ... + 125640703.

Almost surely, 228017852016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28017852016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34991538176).

28017852016 is an abundant number, since it is smaller than the sum of its proper divisors (41965224336).

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

28017852016 is a wasteful number, since it uses less digits than its factorization.

28017852016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 28017852016 in words is "twenty-eight billion, seventeen million, eight hundred fifty-two thousand, sixteen".