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71020075896 = 233272112435373
BaseRepresentation
bin100001000100100100…
…0000101101101111000
320210022111210122221100
41002021020011231320
52130422114412041
652343130411400
75062641453600
oct1021110055570
9223274718840
1071020075896
1128134a88200
1211920590b60
13690a893663
14361a2abc00
151ca9e5a6b6
hex1089205b78

71020075896 has 864 divisors, whose sum is σ = 259919740080. Its totient is φ = 17435658240.

The previous prime is 71020075817. The next prime is 71020075943. The reversal of 71020075896 is 69857002017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 972877716 + ... + 972877788.

Almost surely, 271020075896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71020075896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129959870040).

71020075896 is an abundant number, since it is smaller than the sum of its proper divisors (188899664184).

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

71020075896 is a wasteful number, since it uses less digits than its factorization.

71020075896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 71020075896 in words is "seventy-one billion, twenty million, seventy-five thousand, eight hundred ninety-six".