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51842113486 = 2127259378713
BaseRepresentation
bin110000010010000001…
…111101111111001110
311221210222002020021021
4300102001331333032
51322133040112421
635452124224354
73513460460002
oct602201757716
9157728066237
1051842113486
111aa93581199
12a06999b0ba
134b725b65c7
14271b24a702
15153646b341
hexc1207dfce

51842113486 has 16 divisors (see below), whose sum is σ = 78406700544. Its totient is φ = 25706709504.

The previous prime is 51842113423. The next prime is 51842113487. The reversal of 51842113486 is 68431124815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51842113487) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 619266 + ... + 697978.

It is an arithmetic number, because the mean of its divisors is an integer number (4900418784).

Almost surely, 251842113486 is an apocalyptic number.

51842113486 is a deficient number, since it is larger than the sum of its proper divisors (26564587058).

51842113486 is a wasteful number, since it uses less digits than its factorization.

51842113486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81435.

The product of its digits is 184320, while the sum is 43.

The spelling of 51842113486 in words is "fifty-one billion, eight hundred forty-two million, one hundred thirteen thousand, four hundred eighty-six".

Divisors: 1 2 127 254 2593 5186 78713 157426 329311 658622 9996551 19993102 204102809 408205618 25921056743 51842113486