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43194472471 is a prime number
BaseRepresentation
bin101000001110100101…
…110101100000010111
311010111022000112220201
4220032211311200113
51201430241104341
631502051241331
73056253646423
oct501645654027
9133438015821
1043194472471
1117356176537
1284558a9247
1340c4b37167
14213a957b83
1511cc192331
hexa0e975817

43194472471 has 2 divisors, whose sum is σ = 43194472472. Its totient is φ = 43194472470.

The previous prime is 43194472441. The next prime is 43194472481. The reversal of 43194472471 is 17427449134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43194472471 - 225 = 43160918039 is a prime.

It is a super-3 number, since 3×431944724713 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43194472441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21597236235 + 21597236236.

It is an arithmetic number, because the mean of its divisors is an integer number (21597236236).

Almost surely, 243194472471 is an apocalyptic number.

43194472471 is a deficient number, since it is larger than the sum of its proper divisors (1).

43194472471 is an equidigital number, since it uses as much as digits as its factorization.

43194472471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The spelling of 43194472471 in words is "forty-three billion, one hundred ninety-four million, four hundred seventy-two thousand, four hundred seventy-one".