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27168189042 = 234528031507
BaseRepresentation
bin11001010011010110…
…011010101001110010
32121010101202000000210
4121103112122221302
5421120024022132
620251512324550
71651152540141
oct312326325162
977111660023
1027168189042
11105818095a5
1253226a3756
13273c7aa807
14145a303758
15a90208bcc
hex65359aa72

27168189042 has 8 divisors (see below), whose sum is σ = 54336378096. Its totient is φ = 9056063012.

The previous prime is 27168189017. The next prime is 27168189043. The reversal of 27168189042 is 24098186172.

It is a happy number.

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

27168189042 is an admirable number.

It is a super-2 number, since 2×271681890422 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27168188982 and 27168189000.

It is not an unprimeable number, because it can be changed into a prime (27168189043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2264015748 + ... + 2264015759.

It is an arithmetic number, because the mean of its divisors is an integer number (6792047262).

Almost surely, 227168189042 is an apocalyptic number.

27168189042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27168189042 is a wasteful number, since it uses less digits than its factorization.

27168189042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528031512.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 27168189042 in words is "twenty-seven billion, one hundred sixty-eight million, one hundred eighty-nine thousand, forty-two".

Divisors: 1 2 3 6 4528031507 9056063014 13584094521 27168189042