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47438466101 = 133649112777
BaseRepresentation
bin101100001011100011…
…011000110000110101
311112110001211202200222
4230023203120300311
51234123221403401
633443134544125
73266366210615
oct541343306065
9145401752628
1047438466101
1119133860794
12923b068045
1346201773b0
142420462a45
151379a61c1b
hexb0b8d8c35

47438466101 has 4 divisors (see below), whose sum is σ = 51087578892. Its totient is φ = 43789353312.

The previous prime is 47438466029. The next prime is 47438466107. The reversal of 47438466101 is 10166483474.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2599980100 + 44838486001 = 50990^2 + 211751^2 .

It is a cyclic number.

It is not a de Polignac number, because 47438466101 - 218 = 47438203957 is a prime.

It is a super-2 number, since 2×474384661012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47438466107) 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, 1824556376 + ... + 1824556401.

It is an arithmetic number, because the mean of its divisors is an integer number (12771894723).

Almost surely, 247438466101 is an apocalyptic number.

It is an amenable number.

47438466101 is a deficient number, since it is larger than the sum of its proper divisors (3649112791).

47438466101 is a wasteful number, since it uses less digits than its factorization.

47438466101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649112790.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 47438466101 in words is "forty-seven billion, four hundred thirty-eight million, four hundred sixty-six thousand, one hundred one".

Divisors: 1 13 3649112777 47438466101