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27021056006 = 272390019323
BaseRepresentation
bin11001001010100101…
…001001100000000110
32120202010212212110002
4121022211021200012
5420314342243011
620225135001302
71644415120640
oct311245114006
976663785402
1027021056006
111050675534a
1252a1369232
132718173849
141444963890
15a82343c3b
hex64a949806

27021056006 has 32 divisors (see below), whose sum is σ = 48346357248. Its totient is φ = 11074536000.

The previous prime is 27021055969. The next prime is 27021056033. The reversal of 27021056006 is 60065012072.

It is a self number, because there is not a number n which added to its sum of digits gives 27021056006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2893661 + ... + 2902983.

It is an arithmetic number, because the mean of its divisors is an integer number (1510823664).

Almost surely, 227021056006 is an apocalyptic number.

27021056006 is a deficient number, since it is larger than the sum of its proper divisors (21325301242).

27021056006 is a wasteful number, since it uses less digits than its factorization.

27021056006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18356.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 27021056006 its reverse (60065012072), we get a palindrome (87086068078).

The spelling of 27021056006 in words is "twenty-seven billion, twenty-one million, fifty-six thousand, six".

Divisors: 1 2 7 14 23 46 161 322 9001 9323 18002 18646 63007 65261 126014 130522 207023 214429 414046 428858 1449161 1501003 2898322 3002006 83916323 167832646 587414261 1174828522 1930075429 3860150858 13510528003 27021056006