Base | Representation |
---|---|
bin | 10000001100111111001101… |
… | …111110111000010010100100 |
3 | 100100022111202121110220212020 |
4 | 100030333031332320102210 |
5 | 33320021024101030313 |
6 | 411320545312223140 |
7 | 21003312260435523 |
oct | 2014771576702244 |
9 | 310274677426766 |
10 | 71261258220708 |
11 | 207848035410a6 |
12 | 7baaaab23aab0 |
13 | 309bba561918a |
14 | 13850c59aa4ba |
15 | 838a07620323 |
hex | 40cfcdfb84a4 |
71261258220708 has 96 divisors (see below), whose sum is σ = 175554970429440. Its totient is φ = 22435792387200.
The previous prime is 71261258220643. The next prime is 71261258220709. The reversal of 71261258220708 is 80702285216217.
71261258220708 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (71261258220709) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295506783 + ... + 295747833.
It is an arithmetic number, because the mean of its divisors is an integer number (1828697608640).
Almost surely, 271261258220708 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 71261258220708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87777485214720).
71261258220708 is an abundant number, since it is smaller than the sum of its proper divisors (104293712208732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71261258220708 is a wasteful number, since it uses less digits than its factorization.
71261258220708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244977 (or 244975 counting only the distinct ones).
The product of its (nonzero) digits is 1505280, while the sum is 51.
The spelling of 71261258220708 in words is "seventy-one trillion, two hundred sixty-one billion, two hundred fifty-eight million, two hundred twenty thousand, seven hundred eight".
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