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71450810611 = 471520230013
BaseRepresentation
bin100001010001011001…
…1001101100011110011
320211102112022020212221
41002202303031203303
52132312401414421
652453554501511
75106421604125
oct1024263154363
9224375266787
1071450810611
1128336135604
1211a20894897
136978ba647b
14365b593215
151cd2b90841
hex10a2ccd8f3

71450810611 has 4 divisors (see below), whose sum is σ = 72971040672. Its totient is φ = 69930580552.

The previous prime is 71450810579. The next prime is 71450810623. The reversal of 71450810611 is 11601805417.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71450810611 - 25 = 71450810579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71450810681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760114960 + ... + 760115053.

It is an arithmetic number, because the mean of its divisors is an integer number (18242760168).

Almost surely, 271450810611 is an apocalyptic number.

71450810611 is a deficient number, since it is larger than the sum of its proper divisors (1520230061).

71450810611 is a wasteful number, since it uses less digits than its factorization.

71450810611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520230060.

The product of its (nonzero) digits is 6720, while the sum is 34.

The spelling of 71450810611 in words is "seventy-one billion, four hundred fifty million, eight hundred ten thousand, six hundred eleven".

Divisors: 1 47 1520230013 71450810611