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47654845673 is a prime number
BaseRepresentation
bin101100011000011100…
…110011110011101001
311120000010222222200012
4230120130303303221
51240044120030143
633520424421305
73304634335061
oct543034636351
9146003888605
1047654845673
1119234a10986
12929b617835
134655c47c46
1424410aa3a1
15138da54418
hexb18733ce9

47654845673 has 2 divisors, whose sum is σ = 47654845674. Its totient is φ = 47654845672.

The previous prime is 47654845627. The next prime is 47654845793. The reversal of 47654845673 is 37654845674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34223890009 + 13430955664 = 184997^2 + 115892^2 .

It is a cyclic number.

It is not a de Polignac number, because 47654845673 - 220 = 47653797097 is a prime.

It is a super-2 number, since 2×476548456732 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47654845613) 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 as a sum of consecutive naturals, namely, 23827422836 + 23827422837.

It is an arithmetic number, because the mean of its divisors is an integer number (23827422837).

Almost surely, 247654845673 is an apocalyptic number.

It is an amenable number.

47654845673 is a deficient number, since it is larger than the sum of its proper divisors (1).

47654845673 is an equidigital number, since it uses as much as digits as its factorization.

47654845673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67737600, while the sum is 59.

Subtracting from 47654845673 its reverse (37654845674), we obtain a palindrome (9999999999).

The spelling of 47654845673 in words is "forty-seven billion, six hundred fifty-four million, eight hundred forty-five thousand, six hundred seventy-three".