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47520443791 = 1719532775889
BaseRepresentation
bin101100010000011100…
…000110110110001111
311112122210002122221201
4230100130012312033
51234310213200131
633455224010331
73301413051622
oct542034066617
9145583078851
1047520443791
1119176062847
1292626009a7
13463414a9c2
14242b2c1db9
151381d56761
hexb10706d8f

47520443791 has 16 divisors (see below), whose sum is σ = 53963301600. Its totient is φ = 41571698688.

The previous prime is 47520443777. The next prime is 47520443801. The reversal of 47520443791 is 19734402574.

It is a cyclic number.

It is not a de Polignac number, because 47520443791 - 29 = 47520443279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47520443701) 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, 1370826 + ... + 1405063.

It is an arithmetic number, because the mean of its divisors is an integer number (3372706350).

Almost surely, 247520443791 is an apocalyptic number.

47520443791 is a deficient number, since it is larger than the sum of its proper divisors (6442857809).

47520443791 is a wasteful number, since it uses less digits than its factorization.

47520443791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775978.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 47520443791 in words is "forty-seven billion, five hundred twenty million, four hundred forty-three thousand, seven hundred ninety-one".

Divisors: 1 17 19 53 323 901 1007 17119 2775889 47190113 52741891 147122117 896612147 2501075989 2795320223 47520443791