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78463241073986 = 21767109933133259
BaseRepresentation
bin10001110101110010100101…
…100111001011010101000010
3101021211000100011210222002012
4101311302211213023111002
540241020204203331421
6434513303151252522
722345532154561266
oct2165624547132502
9337730304728065
1078463241073986
112300108a06565a
12897285081a142
1334a2089cb6522
1415538d93980a6
159110203ba95b
hex475ca59cb542

78463241073986 has 32 divisors (see below), whose sum is σ = 126489605935680. Its totient is φ = 36369455164416.

The previous prime is 78463241073967. The next prime is 78463241073989. The reversal of 78463241073986 is 68937014236487.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78463241073989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23475425 + ... + 26608683.

It is an arithmetic number, because the mean of its divisors is an integer number (3952800185490).

Almost surely, 278463241073986 is an apocalyptic number.

78463241073986 is a deficient number, since it is larger than the sum of its proper divisors (48026364861694).

78463241073986 is a wasteful number, since it uses less digits than its factorization.

78463241073986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144338.

The product of its (nonzero) digits is 292626432, while the sum is 68.

The spelling of 78463241073986 in words is "seventy-eight trillion, four hundred sixty-three billion, two hundred forty-one million, seventy-three thousand, nine hundred eighty-six".

Divisors: 1 2 17 34 67 134 1139 2278 10993 21986 186881 373762 736531 1473062 3133259 6266518 12521027 25042054 53265403 106530806 209928353 419856706 3568782001 7137564002 34443916187 68887832374 585546575179 1171093150358 2307742384529 4615484769058 39231620536993 78463241073986