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27708580028 = 2210216784667
BaseRepresentation
bin11001110011100011…
…110110000010111100
32122112001120201002202
4121303203312002330
5423221344030103
620421255011032
72000434021103
oct316343660274
978461521082
1027708580028
1110829853318
125453669a78
1327c77353ac
1414abdb103a
15ac289e988
hex6738f60bc

27708580028 has 12 divisors (see below), whose sum is σ = 48537514872. Its totient is φ = 13840718640.

The previous prime is 27708580021. The next prime is 27708580057. The reversal of 27708580028 is 82008580772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27708580021) 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 3 ways as a sum of consecutive naturals, for example, 3388250 + ... + 3396417.

It is an arithmetic number, because the mean of its divisors is an integer number (4044792906).

Almost surely, 227708580028 is an apocalyptic number.

It is an amenable number.

27708580028 is a deficient number, since it is larger than the sum of its proper divisors (20828934844).

27708580028 is a wasteful number, since it uses less digits than its factorization.

27708580028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6785692 (or 6785690 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 47.

The spelling of 27708580028 in words is "twenty-seven billion, seven hundred eight million, five hundred eighty thousand, twenty-eight".

Divisors: 1 2 4 1021 2042 4084 6784667 13569334 27138668 6927145007 13854290014 27708580028