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71716795941 = 3723011148411
BaseRepresentation
bin100001011001010100…
…1110111011000100101
320212010001210201011110
41002302221313120211
52133333444432231
652540215455233
75116131464430
oct1026251673045
9225101721143
1071716795941
112846229729a
1211a95987519
1369bc024b3b
143684a30817
151ceb1d1046
hex10b2a77625

71716795941 has 16 divisors (see below), whose sum is σ = 109288222208. Its totient is φ = 40978969200.

The previous prime is 71716795939. The next prime is 71716795951. The reversal of 71716795941 is 14959761717.

It is not a de Polignac number, because 71716795941 - 21 = 71716795939 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 (71716795921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409026 + ... + 557436.

It is an arithmetic number, because the mean of its divisors is an integer number (6830513888).

Almost surely, 271716795941 is an apocalyptic number.

It is an amenable number.

71716795941 is a deficient number, since it is larger than the sum of its proper divisors (37571426267).

71716795941 is a wasteful number, since it uses less digits than its factorization.

71716795941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171432.

The product of its digits is 3333960, while the sum is 57.

The spelling of 71716795941 in words is "seventy-one billion, seven hundred sixteen million, seven hundred ninety-five thousand, nine hundred forty-one".

Divisors: 1 3 7 21 23011 69033 148411 161077 445233 483231 1038877 3116631 3415085521 10245256563 23905598647 71716795941