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47488411321 = 133652954717
BaseRepresentation
bin101100001110100001…
…111010011010111001
311112120112211020122221
4230032201322122321
51234224013130241
633452121244041
73300543556531
oct541641723271
9145515736587
1047488411321
1119159a7432a
129253933621
13462a613890
142426d444c1
15137e12a5d1
hexb0e87a6b9

47488411321 has 4 divisors (see below), whose sum is σ = 51141366052. Its totient is φ = 43835456592.

The previous prime is 47488411307. The next prime is 47488411379. The reversal of 47488411321 is 12311488474.

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 9828739600 + 37659671721 = 99140^2 + 194061^2 .

It is a cyclic number.

It is not a de Polignac number, because 47488411321 - 229 = 46951540409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47488411301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1826477346 + ... + 1826477371.

It is an arithmetic number, because the mean of its divisors is an integer number (12785341513).

Almost surely, 247488411321 is an apocalyptic number.

It is an amenable number.

47488411321 is a deficient number, since it is larger than the sum of its proper divisors (3652954731).

47488411321 is a wasteful number, since it uses less digits than its factorization.

47488411321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652954730.

The product of its digits is 172032, while the sum is 43.

Adding to 47488411321 its reverse (12311488474), we get a palindrome (59799899795).

The spelling of 47488411321 in words is "forty-seven billion, four hundred eighty-eight million, four hundred eleven thousand, three hundred twenty-one".

Divisors: 1 13 3652954717 47488411321