Base | Representation |
---|---|
bin | 1111100001011… |
… | …11010010010100 |
3 | 100002000201021212 |
4 | 13300233102110 |
5 | 231313421413 |
6 | 20531000552 |
7 | 3140553500 |
oct | 760572224 |
9 | 302021255 |
10 | 130217108 |
11 | 6756004a |
12 | 37739158 |
13 | 20c93558 |
14 | 13419300 |
15 | b672ca8 |
hex | 7c2f494 |
130217108 has 72 divisors (see below), whose sum is σ = 283449600. Its totient is φ = 52036992.
The previous prime is 130217069. The next prime is 130217117. The reversal of 130217108 is 801712031.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271613 + ... + 272091.
It is an arithmetic number, because the mean of its divisors is an integer number (3936800).
Almost surely, 2130217108 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 130217108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141724800).
130217108 is an abundant number, since it is smaller than the sum of its proper divisors (153232492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130217108 is a wasteful number, since it uses less digits than its factorization.
130217108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 589 (or 580 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 130217108 is about 11411.2710948430. The cubic root of 130217108 is about 506.8615514917.
Adding to 130217108 its reverse (801712031), we get a palindrome (931929139).
The spelling of 130217108 in words is "one hundred thirty million, two hundred seventeen thousand, one hundred eight".
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