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47456742382 = 277942908447
BaseRepresentation
bin101100001100101001…
…000110101111101110
311112111100020022001021
4230030221012233232
51234142411224012
633445030404354
73300010440340
oct541451065756
9145440208037
1047456742382
1119143103a55
1292452006ba
134623ba606a
142422a5d290
15137b472007
hexb0ca46bee

47456742382 has 16 divisors (see below), whose sum is σ = 82384220160. Its totient is φ = 20081152728.

The previous prime is 47456742371. The next prime is 47456742451. The reversal of 47456742382 is 28324765474.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 21453118 + ... + 21455329.

It is an arithmetic number, because the mean of its divisors is an integer number (5149013760).

Almost surely, 247456742382 is an apocalyptic number.

47456742382 is a deficient number, since it is larger than the sum of its proper divisors (34927477778).

47456742382 is a wasteful number, since it uses less digits than its factorization.

47456742382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42908535.

The product of its digits is 9031680, while the sum is 52.

The spelling of 47456742382 in words is "forty-seven billion, four hundred fifty-six million, seven hundred forty-two thousand, three hundred eighty-two".

Divisors: 1 2 7 14 79 158 553 1106 42908447 85816894 300359129 600718258 3389767313 6779534626 23728371191 47456742382