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27608445631 = 134329149057
BaseRepresentation
bin11001101101100101…
…110111001010111111
32122021002011100112101
4121231211313022333
5423020230230011
620403320445531
71665106626064
oct315545671277
978232140471
1027608445631
111078827a918
1254260198a7
1327aca75680
14149c986c6b
15ab8bc02c1
hex66d9772bf

27608445631 has 8 divisors (see below), whose sum is σ = 29733465104. Its totient is φ = 25483610880.

The previous prime is 27608445617. The next prime is 27608445649. The reversal of 27608445631 is 13654480672.

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

It is not a de Polignac number, because 27608445631 - 27 = 27608445503 is a prime.

It is a super-2 number, since 2×276084456312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27608445611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538255 + ... + 587311.

It is an arithmetic number, because the mean of its divisors is an integer number (3716683138).

Almost surely, 227608445631 is an apocalyptic number.

27608445631 is a deficient number, since it is larger than the sum of its proper divisors (2125019473).

27608445631 is a wasteful number, since it uses less digits than its factorization.

27608445631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92361.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 27608445631 in words is "twenty-seven billion, six hundred eight million, four hundred forty-five thousand, six hundred thirty-one".

Divisors: 1 13 43291 49057 562783 637741 2123726587 27608445631