Base | Representation |
---|---|
bin | 11001101101100101… |
… | …110111001010111111 |
3 | 2122021002011100112101 |
4 | 121231211313022333 |
5 | 423020230230011 |
6 | 20403320445531 |
7 | 1665106626064 |
oct | 315545671277 |
9 | 78232140471 |
10 | 27608445631 |
11 | 1078827a918 |
12 | 54260198a7 |
13 | 27aca75680 |
14 | 149c986c6b |
15 | ab8bc02c1 |
hex | 66d9772bf |
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".
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