Base | Representation |
---|---|
bin | 100001011010010101… |
… | …0000000111110100100 |
3 | 20212012102000110002120 |
4 | 1002310222000332210 |
5 | 2133421044432133 |
6 | 52543415505540 |
7 | 5120020151346 |
oct | 1026452007644 |
9 | 225172013076 |
10 | 71750389668 |
11 | 2847a251801 |
12 | 11aa50882b0 |
13 | 69c5c87799 |
14 | 3689297296 |
15 | 1cee119ab3 |
hex | 10b4a80fa4 |
71750389668 has 24 divisors (see below), whose sum is σ = 167988975168. Its totient is φ = 23835168096.
The previous prime is 71750389639. The next prime is 71750389693. The reversal of 71750389668 is 86698305717.
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, 10199896 + ... + 10206927.
It is an arithmetic number, because the mean of its divisors is an integer number (6999540632).
Almost surely, 271750389668 is an apocalyptic number.
It is an amenable number.
71750389668 is an abundant number, since it is smaller than the sum of its proper divisors (96238585500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71750389668 is a wasteful number, since it uses less digits than its factorization.
71750389668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20407123 (or 20407121 counting only the distinct ones).
The product of its (nonzero) digits is 15240960, while the sum is 60.
The spelling of 71750389668 in words is "seventy-one billion, seven hundred fifty million, three hundred eighty-nine thousand, six hundred sixty-eight".
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