Base | Representation |
---|---|
bin | 100001000100100100… |
… | …0000101101101111000 |
3 | 20210022111210122221100 |
4 | 1002021020011231320 |
5 | 2130422114412041 |
6 | 52343130411400 |
7 | 5062641453600 |
oct | 1021110055570 |
9 | 223274718840 |
10 | 71020075896 |
11 | 28134a88200 |
12 | 11920590b60 |
13 | 690a893663 |
14 | 361a2abc00 |
15 | 1ca9e5a6b6 |
hex | 1089205b78 |
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".
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