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71683469471 is a prime number
BaseRepresentation
bin100001011000010101…
…0101111000010011111
320212000202002112211202
41002300222233002133
52133301432010341
652533025310115
75115245302625
oct1026052570237
9225022075752
1071683469471
11284454a4659
1211a8679533b
1369b5156a33
143680437515
151ce82eb79b
hex10b0aaf09f

71683469471 has 2 divisors, whose sum is σ = 71683469472. Its totient is φ = 71683469470.

The previous prime is 71683469437. The next prime is 71683469489. The reversal of 71683469471 is 17496438617.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71683469471 is a prime.

It is a super-3 number, since 3×716834694713 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71683469491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35841734735 + 35841734736.

It is an arithmetic number, because the mean of its divisors is an integer number (35841734736).

Almost surely, 271683469471 is an apocalyptic number.

71683469471 is a deficient number, since it is larger than the sum of its proper divisors (1).

71683469471 is an equidigital number, since it uses as much as digits as its factorization.

71683469471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 56.

The spelling of 71683469471 in words is "seventy-one billion, six hundred eighty-three million, four hundred sixty-nine thousand, four hundred seventy-one".