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28302030200 = 2352141510151
BaseRepresentation
bin11010010110111011…
…101011010101111000
32201001102021002200202
4122112323223111320
5430430304431300
621000214421332
72021231200403
oct322673532570
981042232622
1028302030200
1111003838204
12559a361848
132890679942
141526b30d3a
15b09a26ad5
hex696eeb578

28302030200 has 24 divisors (see below), whose sum is σ = 65802220680. Its totient is φ = 11320812000.

The previous prime is 28302030199. The next prime is 28302030217. The reversal of 28302030200 is 203020382.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70754876 + ... + 70755275.

It is an arithmetic number, because the mean of its divisors is an integer number (2741759195).

Almost surely, 228302030200 is an apocalyptic number.

28302030200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28302030200 is an abundant number, since it is smaller than the sum of its proper divisors (37500190480).

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

28302030200 is a wasteful number, since it uses less digits than its factorization.

28302030200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141510167 (or 141510158 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 28302030200 its reverse (203020382), we get a palindrome (28505050582).

The spelling of 28302030200 in words is "twenty-eight billion, three hundred two million, thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 141510151 283020302 566040604 707550755 1132081208 1415101510 2830203020 3537753775 5660406040 7075507550 14151015100 28302030200