Base | Representation |
---|---|
bin | 1111100001011… |
… | …11010011011010 |
3 | 100002000201101110 |
4 | 13300233103122 |
5 | 231313422203 |
6 | 20531001150 |
7 | 3140553630 |
oct | 760572332 |
9 | 302021343 |
10 | 130217178 |
11 | 67560103 |
12 | 377391b6 |
13 | 20c935b0 |
14 | 13419350 |
15 | b672d03 |
hex | 7c2f4da |
130217178 has 64 divisors (see below), whose sum is σ = 339413760. Its totient is φ = 32320512.
The previous prime is 130217167. The next prime is 130217231. The reversal of 130217178 is 871712031.
It is a Curzon number.
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, 2268 + ... + 16296.
It is an arithmetic number, because the mean of its divisors is an integer number (5303340).
Almost surely, 2130217178 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130217178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169706880).
130217178 is an abundant number, since it is smaller than the sum of its proper divisors (209196582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130217178 is a wasteful number, since it uses less digits than its factorization.
130217178 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14071.
The product of its (nonzero) digits is 2352, while the sum is 30.
The square root of 130217178 is about 11411.2741619856. The cubic root of 130217178 is about 506.8616423151.
The spelling of 130217178 in words is "one hundred thirty million, two hundred seventeen thousand, one hundred seventy-eight".
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