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47520268765 = 59504053753
BaseRepresentation
bin101100010000011011…
…011100000111011101
311112122202202202212021
4230100123130013131
51234310142100030
633455220140141
73301411422424
oct542033340735
9145582682767
1047520268765
1119175a532a2
129262537651
1346340b9138
14242b2782bb
151381d1e97a
hexb106dc1dd

47520268765 has 4 divisors (see below), whose sum is σ = 57024322524. Its totient is φ = 38016215008.

The previous prime is 47520268717. The next prime is 47520268769. The reversal of 47520268765 is 56786202574.

47520268765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56786202574 = 228393101287.

It can be written as a sum of positive squares in 2 ways, for example, as 30710109049 + 16810159716 = 175243^2 + 129654^2 .

It is a cyclic number.

It is not a de Polignac number, because 47520268765 - 213 = 47520260573 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 (47520268769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4752026872 + ... + 4752026881.

It is an arithmetic number, because the mean of its divisors is an integer number (14256080631).

Almost surely, 247520268765 is an apocalyptic number.

It is an amenable number.

47520268765 is a deficient number, since it is larger than the sum of its proper divisors (9504053759).

47520268765 is an equidigital number, since it uses as much as digits as its factorization.

47520268765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504053758.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 47520268765 in words is "forty-seven billion, five hundred twenty million, two hundred sixty-eight thousand, seven hundred sixty-five".

Divisors: 1 5 9504053753 47520268765