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27690006693 = 329318275939
BaseRepresentation
bin11001110010011100…
…111111100010100101
32122110202122002021110
4121302130333202211
5423202120203233
620415352535233
72000120113326
oct316234774245
978422562243
1027690006693
111081a317958
1254493b1519
1327c393145b
1414a973844d
15ac0e31663
hex67273f8a5

27690006693 has 8 divisors (see below), whose sum is σ = 38193112800. Its totient is φ = 17823452528.

The previous prime is 27690006689. The next prime is 27690006703. The reversal of 27690006693 is 39660009672.

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

It is a cyclic number.

It is not a de Polignac number, because 27690006693 - 22 = 27690006689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27690006293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159137883 + ... + 159138056.

It is an arithmetic number, because the mean of its divisors is an integer number (4774139100).

Almost surely, 227690006693 is an apocalyptic number.

It is an amenable number.

27690006693 is a deficient number, since it is larger than the sum of its proper divisors (10503106107).

27690006693 is a wasteful number, since it uses less digits than its factorization.

27690006693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318275971.

The product of its (nonzero) digits is 734832, while the sum is 48.

The spelling of 27690006693 in words is "twenty-seven billion, six hundred ninety million, six thousand, six hundred ninety-three".

Divisors: 1 3 29 87 318275939 954827817 9230002231 27690006693