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28828011003 = 3111945977689
BaseRepresentation
bin11010110110010010…
…001000100111111011
32202102001222200201020
4122312102020213323
5433014432323003
621124324153523
72040246023211
oct326622104773
982361880636
1028828011003
111125372a390
1257065388a3
13294562a49c
14157692acb1
15b3acc2d53
hex6b64889fb

28828011003 has 16 divisors (see below), whose sum is σ = 44138582400. Its totient is φ = 16551967680.

The previous prime is 28828010987. The next prime is 28828011011. The reversal of 28828011003 is 30011082882.

It is not a de Polignac number, because 28828011003 - 24 = 28828010987 is a prime.

It is a super-3 number, since 3×288280110033 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (28828011013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22988218 + ... + 22989471.

It is an arithmetic number, because the mean of its divisors is an integer number (2758661400).

Almost surely, 228828011003 is an apocalyptic number.

28828011003 is a deficient number, since it is larger than the sum of its proper divisors (15310571397).

28828011003 is a wasteful number, since it uses less digits than its factorization.

28828011003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45977722.

The product of its (nonzero) digits is 6144, while the sum is 33.

Adding to 28828011003 its reverse (30011082882), we get a palindrome (58839093885).

The spelling of 28828011003 in words is "twenty-eight billion, eight hundred twenty-eight million, eleven thousand, three".

Divisors: 1 3 11 19 33 57 209 627 45977689 137933067 505754579 873576091 1517263737 2620728273 9609337001 28828011003