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85648132678 = 22931373106451
BaseRepresentation
bin100111111000100000…
…1101100101001000110
322012001222001221110011
41033301001230221012
52400401410221203
6103202440420434
76121304054503
oct1176101545106
9265058057404
1085648132678
1133361157829
121472347771a
1380cc342764
144206d524aa
15236429e76d
hex13f106ca46

85648132678 has 16 divisors (see below), whose sum is σ = 129005772336. Its totient is φ = 42646424800.

The previous prime is 85648132673. The next prime is 85648132681. The reversal of 85648132678 is 87623184658.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85648132673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751353 + ... + 857803.

It is an arithmetic number, because the mean of its divisors is an integer number (8062860771).

Almost surely, 285648132678 is an apocalyptic number.

85648132678 is a deficient number, since it is larger than the sum of its proper divisors (43357639658).

85648132678 is a wasteful number, since it uses less digits than its factorization.

85648132678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108119.

The product of its digits is 15482880, while the sum is 58.

The spelling of 85648132678 in words is "eighty-five billion, six hundred forty-eight million, one hundred thirty-two thousand, six hundred seventy-eight".

Divisors: 1 2 293 586 1373 2746 106451 212902 402289 804578 31190143 62380286 146157223 292314446 42824066339 85648132678