Base | Representation |
---|---|
bin | 10000001111110011110010… |
… | …010000011010111100001100 |
3 | 100101000001012120212102011110 |
4 | 100033303302100122330030 |
5 | 33331210111410432210 |
6 | 411550012134452020 |
7 | 21023314663235331 |
oct | 2017636220327414 |
9 | 311001176772143 |
10 | 71455140327180 |
11 | 20849a55979345 |
12 | 8020599b04010 |
13 | 30b42633023bc |
14 | 1390639350988 |
15 | 83daa3920420 |
hex | 40fcf241af0c |
71455140327180 has 96 divisors (see below), whose sum is σ = 200223804231360. Its totient is φ = 19040479764480.
The previous prime is 71455140327157. The next prime is 71455140327227. The reversal of 71455140327180 is 8172304155417.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443825736 + ... + 443986704.
It is an arithmetic number, because the mean of its divisors is an integer number (2085664627410).
Almost surely, 271455140327180 is an apocalyptic number.
It is an amenable number.
71455140327180 is an abundant number, since it is smaller than the sum of its proper divisors (128768663904180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71455140327180 is a wasteful number, since it uses less digits than its factorization.
71455140327180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166459 (or 166457 counting only the distinct ones).
The product of its (nonzero) digits is 940800, while the sum is 48.
The spelling of 71455140327180 in words is "seventy-one trillion, four hundred fifty-five billion, one hundred forty million, three hundred twenty-seven thousand, one hundred eighty".
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