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47513605493 is a prime number
BaseRepresentation
bin101100010000000010…
…000001010101110101
311112122022020020120102
4230100002001111311
51234301440333433
633454421243445
73301300661114
oct542002012565
9145568206512
1047513605493
1119172212062
129260263585
1346328c5283
14242a421c7b
1513814554e8
hexb10081575

47513605493 has 2 divisors, whose sum is σ = 47513605494. Its totient is φ = 47513605492.

The previous prime is 47513605457. The next prime is 47513605567. The reversal of 47513605493 is 39450631574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35879178724 + 11634426769 = 189418^2 + 107863^2 .

It is a cyclic number.

It is not a de Polignac number, because 47513605493 - 26 = 47513605429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47513605453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23756802746 + 23756802747.

It is an arithmetic number, because the mean of its divisors is an integer number (23756802747).

Almost surely, 247513605493 is an apocalyptic number.

It is an amenable number.

47513605493 is a deficient number, since it is larger than the sum of its proper divisors (1).

47513605493 is an equidigital number, since it uses as much as digits as its factorization.

47513605493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 47513605493 in words is "forty-seven billion, five hundred thirteen million, six hundred five thousand, four hundred ninety-three".