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27860017064 = 2311316591103
BaseRepresentation
bin11001111100100101…
…100001111110101000
32122220121112111122212
4121330211201332220
5424024131021224
620444304504252
72004253144355
oct317445417650
978817474585
1027860017064
11108a72871a0
12549631b088
13281cc183c9
1414c415162c
15ad0d14d0e
hex67c961fa8

27860017064 has 16 divisors (see below), whose sum is σ = 56986398720. Its totient is φ = 12663644080.

The previous prime is 27860017057. The next prime is 27860017121. The reversal of 27860017064 is 46071006872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158295464 + ... + 158295639.

It is an arithmetic number, because the mean of its divisors is an integer number (3561649920).

Almost surely, 227860017064 is an apocalyptic number.

It is an amenable number.

27860017064 is an abundant number, since it is smaller than the sum of its proper divisors (29126381656).

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

27860017064 is a wasteful number, since it uses less digits than its factorization.

27860017064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316591120 (or 316591116 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 27860017064 in words is "twenty-seven billion, eight hundred sixty million, seventeen thousand, sixty-four".

Divisors: 1 2 4 8 11 22 44 88 316591103 633182206 1266364412 2532728824 3482502133 6965004266 13930008532 27860017064