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27693782097 = 349331187129
BaseRepresentation
bin11001110010101011…
…011001010001010001
32122111000201220011020
4121302223121101101
5423204102011342
620420005510053
72000164156332
oct316253312121
978430656136
1027693782097
1110821466423
12544a712329
1327c4653a17
1414aa03c289
15ac142a0ec
hex672ad9451

27693782097 has 8 divisors (see below), whose sum is σ = 36925988640. Its totient is φ = 18462048480.

The previous prime is 27693782093. The next prime is 27693782143. The reversal of 27693782097 is 79028739672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27693782097 - 22 = 27693782093 is a prime.

It is a super-2 number, since 2×276937820972 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27693782097.

It is not an unprimeable number, because it can be changed into a prime (27693782093) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54429 + ... + 241557.

It is an arithmetic number, because the mean of its divisors is an integer number (4615748580).

Almost surely, 227693782097 is an apocalyptic number.

It is an amenable number.

27693782097 is a deficient number, since it is larger than the sum of its proper divisors (9232206543).

27693782097 is a wasteful number, since it uses less digits than its factorization.

27693782097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236463.

The product of its (nonzero) digits is 16003008, while the sum is 60.

The spelling of 27693782097 in words is "twenty-seven billion, six hundred ninety-three million, seven hundred eighty-two thousand, ninety-seven".

Divisors: 1 3 49331 147993 187129 561387 9231260699 27693782097