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71071530533 = 794392049293
BaseRepresentation
bin100001000110000110…
…0010111111000100101
320210110002121211102122
41002030030113320211
52131023302434113
652352205315325
75064135020243
oct1021414277045
9223402554378
1071071530533
11281610318a3
1211935865b45
13691843aba3
143623063793
151cae721408
hex108c317e25

71071530533 has 8 divisors (see below), whose sum is σ = 72135148800. Its totient is φ = 70012011888.

The previous prime is 71071530487. The next prime is 71071530559. The reversal of 71071530533 is 33503517017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71071530533 - 210 = 71071529509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71071530493 and 71071530502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71071530833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989966 + ... + 1059327.

It is an arithmetic number, because the mean of its divisors is an integer number (9016893600).

Almost surely, 271071530533 is an apocalyptic number.

It is an amenable number.

71071530533 is a deficient number, since it is larger than the sum of its proper divisors (1063618267).

71071530533 is a wasteful number, since it uses less digits than its factorization.

71071530533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049811.

The product of its (nonzero) digits is 33075, while the sum is 35.

The spelling of 71071530533 in words is "seventy-one billion, seventy-one million, five hundred thirty thousand, five hundred thirty-three".

Divisors: 1 79 439 34681 2049293 161894147 899639627 71071530533