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78863005716 = 223111819132843
BaseRepresentation
bin100100101110010011…
…0011111100000010100
321112120002122210001120
41021130212133200110
52243002412140331
6100121255523540
75461204326315
oct1113446374024
9245502583046
1078863005716
113049a124490
121334b0895b0
13758a700731
143b61b6a60c
1520b877b796
hex125c99f814

78863005716 has 48 divisors (see below), whose sum is σ = 200759344128. Its totient is φ = 23895839200.

The previous prime is 78863005691. The next prime is 78863005717. The reversal of 78863005716 is 61750036887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78863005717) 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 15 ways as a sum of consecutive naturals, for example, 2384791 + ... + 2417633.

It is an arithmetic number, because the mean of its divisors is an integer number (4182486336).

Almost surely, 278863005716 is an apocalyptic number.

It is an amenable number.

78863005716 is an abundant number, since it is smaller than the sum of its proper divisors (121896338412).

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

78863005716 is a wasteful number, since it uses less digits than its factorization.

78863005716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51052 (or 51050 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 78863005716 in words is "seventy-eight billion, eight hundred sixty-three million, five thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 18191 32843 36382 54573 65686 72764 98529 109146 131372 197058 200101 218292 361273 394116 400202 600303 722546 800404 1083819 1200606 1445092 2167638 2401212 4335276 597447013 1194894026 1792341039 2389788052 3584682078 6571917143 7169364156 13143834286 19715751429 26287668572 39431502858 78863005716