Base | Representation |
---|---|
bin | 1011011000111111111… |
… | …0100011011000110000 |
3 | 200201002220111122122020 |
4 | 2312033332203120300 |
5 | 11201232400134310 |
6 | 225522011511440 |
7 | 20065233430242 |
oct | 2661776433060 |
9 | 621086448566 |
10 | 195689068080 |
11 | 75a9a417250 |
12 | 31b13a58580 |
13 | 155b8172b9c |
14 | 9685750092 |
15 | 5154c81170 |
hex | 2d8ffa3630 |
195689068080 has 320 divisors, whose sum is σ = 682396323840. Its totient is φ = 45979315200.
The previous prime is 195689068061. The next prime is 195689068087. The reversal of 195689068080 is 80860986591.
It is a super-2 number, since 2×1956890680802 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is not an unprimeable number, because it can be changed into a prime (195689068087) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14864541 + ... + 14877699.
It is an arithmetic number, because the mean of its divisors is an integer number (2132488512).
Almost surely, 2195689068080 is an apocalyptic number.
195689068080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 195689068080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341198161920).
195689068080 is an abundant number, since it is smaller than the sum of its proper divisors (486707255760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
195689068080 is a wasteful number, since it uses less digits than its factorization.
195689068080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13360 (or 13354 counting only the distinct ones).
The product of its (nonzero) digits is 7464960, while the sum is 60.
The spelling of 195689068080 in words is "one hundred ninety-five billion, six hundred eighty-nine million, sixty-eight thousand, eighty".
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