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28400341201 = 1091578871871
BaseRepresentation
bin11010011100110010…
…101101000011010001
32201022021020211000221
4122130302231003101
5431130441404301
621014045513041
72023533626401
oct323462550321
981267224027
1028400341201
1111054285771
125607272781
1328a7b4b72b
141535c02801
15b13495da1
hex69ccad0d1

28400341201 has 16 divisors (see below), whose sum is σ = 28891399680. Its totient is φ = 27914103360.

The previous prime is 28400341199. The next prime is 28400341217. The reversal of 28400341201 is 10214300482.

It is a cyclic number.

It is not a de Polignac number, because 28400341201 - 21 = 28400341199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28400341261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15178296 + ... + 15180166.

It is an arithmetic number, because the mean of its divisors is an integer number (1805712480).

Almost surely, 228400341201 is an apocalyptic number.

It is an amenable number.

28400341201 is a deficient number, since it is larger than the sum of its proper divisors (491058479).

28400341201 is a wasteful number, since it uses less digits than its factorization.

28400341201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 28400341201 its reverse (10214300482), we get a palindrome (38614641683).

The spelling of 28400341201 in words is "twenty-eight billion, four hundred million, three hundred forty-one thousand, two hundred one".

Divisors: 1 109 157 887 1871 17113 96683 139259 203939 293747 1659577 15179231 32018423 180893893 260553589 28400341201