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28288277036 = 2237191137007
BaseRepresentation
bin11010010110000111…
…001101101000101100
32201000110101100220022
4122112013031220230
5430413244331121
620555003541312
72021003246615
oct322607155054
981013340808
1028288277036
1110aa6aa4258
12559582a838
13288a872986
141524d90c0c
15b0870baab
hex6961cda2c

28288277036 has 12 divisors (see below), whose sum is σ = 50842444128. Its totient is φ = 13761864432.

The previous prime is 28288277009. The next prime is 28288277089. The reversal of 28288277036 is 63077288282.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 95568356 + ... + 95568651.

It is an arithmetic number, because the mean of its divisors is an integer number (4236870344).

Almost surely, 228288277036 is an apocalyptic number.

It is an amenable number.

28288277036 is a deficient number, since it is larger than the sum of its proper divisors (22554167092).

28288277036 is a wasteful number, since it uses less digits than its factorization.

28288277036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191137048 (or 191137046 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 28288277036 in words is "twenty-eight billion, two hundred eighty-eight million, two hundred seventy-seven thousand, thirty-six".

Divisors: 1 2 4 37 74 148 191137007 382274014 764548028 7072069259 14144138518 28288277036