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27927744772972 = 2211634721472113
BaseRepresentation
bin1100101100110011011110…
…10011100111101101101100
310122212212101112220001202111
412112121233103213231230
512130032010130213342
6135221455005533404
75611466356524442
oct626315723475554
9118785345801674
1027927744772972
1189980a9938810
123170701274264
131277762463595
146c79d258cb92
153366e8710217
hex19666f4e7b6c

27927744772972 has 12 divisors (see below), whose sum is σ = 53316603657576. Its totient is φ = 12694429442240.

The previous prime is 27927744772933. The next prime is 27927744772973.

27927744772972 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×279277447729723 (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27927744772973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317360736013 + ... + 317360736100.

It is an arithmetic number, because the mean of its divisors is an integer number (4443050304798).

Almost surely, 227927744772972 is an apocalyptic number.

27927744772972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27927744772972 is a deficient number, since it is larger than the sum of its proper divisors (25388858884604).

27927744772972 is a wasteful number, since it uses less digits than its factorization.

27927744772972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634721472128 (or 634721472126 counting only the distinct ones).

The product of its digits is 2439569664, while the sum is 76.

The spelling of 27927744772972 in words is "twenty-seven trillion, nine hundred twenty-seven billion, seven hundred forty-four million, seven hundred seventy-two thousand, nine hundred seventy-two".

Divisors: 1 2 4 11 22 44 634721472113 1269442944226 2538885888452 6981936193243 13963872386486 27927744772972