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28063652007 = 331301759699
BaseRepresentation
bin11010001000101110…
…010101100010100111
32200102210201020021210
4122020232111202213
5424433243331012
620520421242503
72012305051266
oct321056254247
980383636253
1028063652007
11109a1222136
125532563433
132853176061
1415031dc5dd
15ae3b3b23c
hex688b958a7

28063652007 has 8 divisors (see below), whose sum is σ = 38625241600. Its totient is φ = 18105581880.

The previous prime is 28063651961. The next prime is 28063652011. The reversal of 28063652007 is 70025636082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28063652007 - 27 = 28063651879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28063652017) 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 7 ways as a sum of consecutive naturals, for example, 150879757 + ... + 150879942.

It is an arithmetic number, because the mean of its divisors is an integer number (4828155200).

Almost surely, 228063652007 is an apocalyptic number.

28063652007 is a deficient number, since it is larger than the sum of its proper divisors (10561589593).

28063652007 is a wasteful number, since it uses less digits than its factorization.

28063652007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301759733.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 28063652007 in words is "twenty-eight billion, sixty-three million, six hundred fifty-two thousand, seven".

Divisors: 1 3 31 93 301759699 905279097 9354550669 28063652007