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47214841321 is a prime number
BaseRepresentation
bin101011111110001110…
…010100110111101001
311111212111001110011201
4223332032110313221
51233143444410241
633405025524201
73261012346414
oct537616246751
9144774043151
1047214841321
111902960211a
1291981a3661
1345b5a3ab3b
1423dc890b7b
1513650dc931
hexafe394de9

47214841321 has 2 divisors, whose sum is σ = 47214841322. Its totient is φ = 47214841320.

The previous prime is 47214841309. The next prime is 47214841351. The reversal of 47214841321 is 12314841274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37420968025 + 9793873296 = 193445^2 + 98964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47214841321 is a prime.

It is not a weakly prime, because it can be changed into another prime (47214841351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23607420660 + 23607420661.

It is an arithmetic number, because the mean of its divisors is an integer number (23607420661).

Almost surely, 247214841321 is an apocalyptic number.

It is an amenable number.

47214841321 is a deficient number, since it is larger than the sum of its proper divisors (1).

47214841321 is an equidigital number, since it uses as much as digits as its factorization.

47214841321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 37.

The spelling of 47214841321 in words is "forty-seven billion, two hundred fourteen million, eight hundred forty-one thousand, three hundred twenty-one".