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71065800008 = 2371560181343
BaseRepresentation
bin100001000101111011…
…0100000110101001000
320210102200211200121222
41002023312200311020
52131020321100013
652351442421212
75064035222210
oct1021366406510
9223380750558
1071065800008
1128158878425
1211933961808
1369171b2748
1436223b1240
151cade8d508
hex108bda0d48

71065800008 has 32 divisors (see below), whose sum is σ = 152295490560. Its totient is φ = 30454444800.

The previous prime is 71065799963. The next prime is 71065800011. The reversal of 71065800008 is 80000856017.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832985 + ... + 914327.

It is an arithmetic number, because the mean of its divisors is an integer number (4759234080).

Almost surely, 271065800008 is an apocalyptic number.

It is an amenable number.

71065800008 is an abundant number, since it is smaller than the sum of its proper divisors (81229690552).

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

71065800008 is a wasteful number, since it uses less digits than its factorization.

71065800008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96957 (or 96953 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 71065800008 in words is "seventy-one billion, sixty-five million, eight hundred thousand, eight".

Divisors: 1 2 4 7 8 14 28 56 15601 31202 62404 81343 109207 124808 162686 218414 325372 436828 569401 650744 873656 1138802 2277604 4555208 1269032143 2538064286 5076128572 8883225001 10152257144 17766450002 35532900004 71065800008