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47249305730 = 2511242192753
BaseRepresentation
bin101100000000010001…
…110011000010000010
311111221212220102110022
4230000101303002002
51233231310240410
633412300333442
73261611320634
oct540021630202
9144855812408
1047249305730
1119047001800
1291a7844282
1345bcc16b93
1424032a2a54
151368149455
hexb00473082

47249305730 has 48 divisors (see below), whose sum is σ = 93706398072. Its totient is φ = 17140569600.

The previous prime is 47249305723. The next prime is 47249305739. The reversal of 47249305730 is 3750394274.

It can be written as a sum of positive squares in 4 ways, for example, as 18452233921 + 28797071809 = 135839^2 + 169697^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (47249305739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463034 + ... + 555786.

Almost surely, 247249305730 is an apocalyptic number.

47249305730 is a deficient number, since it is larger than the sum of its proper divisors (46457092342).

47249305730 is a wasteful number, since it uses less digits than its factorization.

47249305730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93203 (or 93192 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 47249305730 in words is "forty-seven billion, two hundred forty-nine million, three hundred five thousand, seven hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 121 242 421 605 842 1210 2105 4210 4631 9262 23155 46310 50941 92753 101882 185506 254705 463765 509410 927530 1020283 2040566 5101415 10202830 11223113 22446226 39049013 56115565 78098026 112231130 195245065 390490130 429539143 859078286 2147695715 4295391430 4724930573 9449861146 23624652865 47249305730