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28027357912 = 233503419739
BaseRepresentation
bin11010000110100011…
…111000101011011000
32200100021102022011001
4122012203320223120
5424400000423122
620513043314344
72011354416511
oct320643705330
980307368131
1028027357912
1110982792914
12552237b9b4
1328487a9268
1414dc471a08
15ae086c527
hex6868f8ad8

28027357912 has 8 divisors (see below), whose sum is σ = 52551296100. Its totient is φ = 14013678952.

The previous prime is 28027357901. The next prime is 28027357927. The reversal of 28027357912 is 21975372082.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1751709862 + ... + 1751709877.

Almost surely, 228027357912 is an apocalyptic number.

It is an amenable number.

28027357912 is a deficient number, since it is larger than the sum of its proper divisors (24523938188).

28027357912 is a wasteful number, since it uses less digits than its factorization.

28027357912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503419745 (or 3503419741 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 28027357912 in words is "twenty-eight billion, twenty-seven million, three hundred fifty-seven thousand, nine hundred twelve".

Divisors: 1 2 4 8 3503419739 7006839478 14013678956 28027357912