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47545331011 = 231312055481
BaseRepresentation
bin101100010001111011…
…000010110101000011
311112201111221001210121
4230101323002311003
51234333101043021
633501513241111
73302134434253
oct542173026503
9145644831717
1047545331011
11191891109a2
12926aa03197
134639352779
14243071d963
151384120741
hexb11ec2d43

47545331011 has 4 divisors (see below), whose sum is σ = 47547409624. Its totient is φ = 47543252400.

The previous prime is 47545330997. The next prime is 47545331023. The reversal of 47545331011 is 11013354574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47545331011 - 213 = 47545322819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47545331051) 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 3 ways as a sum of consecutive naturals, for example, 1004610 + ... + 1050871.

It is an arithmetic number, because the mean of its divisors is an integer number (11886852406).

Almost surely, 247545331011 is an apocalyptic number.

47545331011 is a deficient number, since it is larger than the sum of its proper divisors (2078613).

47545331011 is a wasteful number, since it uses less digits than its factorization.

47545331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078612.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 47545331011 its reverse (11013354574), we get a palindrome (58558685585).

The spelling of 47545331011 in words is "forty-seven billion, five hundred forty-five million, three hundred thirty-one thousand, eleven".

Divisors: 1 23131 2055481 47545331011