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27838083872 = 25869940121
BaseRepresentation
bin11001111011010001…
…110111001100100000
32122212002021011222102
4121323101313030200
5424003022140442
620442202425532
72003565544244
oct317321671440
978762234872
1027838083872
1110895966495
12548ab022a8
1328185090a1
1414c1282424
15acde31232
hex67b477320

27838083872 has 12 divisors (see below), whose sum is σ = 54806227686. Its totient is φ = 13919041920.

The previous prime is 27838083869. The next prime is 27838083887.

27838083872 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 22140249616 + 5697834256 = 148796^2 + 75484^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434970029 + ... + 434970092.

Almost surely, 227838083872 is an apocalyptic number.

It is an amenable number.

27838083872 is a deficient number, since it is larger than the sum of its proper divisors (26968143814).

27838083872 is an equidigital number, since it uses as much as digits as its factorization.

27838083872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869940131 (or 869940123 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 56.

The spelling of 27838083872 in words is "twenty-seven billion, eight hundred thirty-eight million, eighty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 869940121 1739880242 3479760484 6959520968 13919041936 27838083872