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71345529911 = 611736760687
BaseRepresentation
bin100001001110010000…
…1100110010000110111
320211011012012102220202
41002130201212100313
52132103423424121
652435314151115
75104002666245
oct1023441462067
9224135172822
1071345529911
1128291767667
12119b158249b
1369601341b6
14364b5c9795
151cc87e640b
hex109c866437

71345529911 has 8 divisors (see below), whose sum is σ = 72934302144. Its totient is φ = 69770279520.

The previous prime is 71345529887. The next prime is 71345529961. The reversal of 71345529911 is 11992554317.

It is a happy number.

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 71345529911 - 210 = 71345528887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71345529961) 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, 3369791 + ... + 3390896.

It is an arithmetic number, because the mean of its divisors is an integer number (9116787768).

Almost surely, 271345529911 is an apocalyptic number.

71345529911 is a deficient number, since it is larger than the sum of its proper divisors (1588772233).

71345529911 is a wasteful number, since it uses less digits than its factorization.

71345529911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760921.

The product of its digits is 340200, while the sum is 47.

The spelling of 71345529911 in words is "seventy-one billion, three hundred forty-five million, five hundred twenty-nine thousand, nine hundred eleven".

Divisors: 1 61 173 10553 6760687 412401907 1169598851 71345529911