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71316407694 = 23723531392953
BaseRepresentation
bin100001001101011001…
…0100000010110001110
320211002011101212202010
41002122302200112032
52132024000021234
652432354042050
75103200314650
oct1023262402616
9224064355663
1071316407694
1128277286714
12119a3879326
1369570a890c
1436477a86d0
151cc5e926e9
hex109aca058e

71316407694 has 64 divisors (see below), whose sum is σ = 173305764864. Its totient is φ = 19122445056.

The previous prime is 71316407647. The next prime is 71316407713. The reversal of 71316407694 is 49670461317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 645279 + ... + 747674.

It is an arithmetic number, because the mean of its divisors is an integer number (2707902576).

Almost surely, 271316407694 is an apocalyptic number.

71316407694 is an abundant number, since it is smaller than the sum of its proper divisors (101989357170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71316407694 is a wasteful number, since it uses less digits than its factorization.

71316407694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393041.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 71316407694 in words is "seventy-one billion, three hundred sixteen million, four hundred seven thousand, six hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 23 42 46 53 69 106 138 159 161 318 322 371 483 742 966 1113 1219 2226 2438 3657 7314 8533 17066 25599 51198 1392953 2785906 4178859 8357718 9750671 19501342 29252013 32037919 58504026 64075838 73826509 96113757 147653018 192227514 221479527 224265433 442959054 448530866 516785563 672796299 1033571126 1345592598 1550356689 1698009707 3100713378 3396019414 5094029121 10188058242 11886067949 23772135898 35658203847 71316407694