Base | Representation |
---|---|
bin | 1111100000110… |
… | …10010100001010 |
3 | 100001212100110110 |
4 | 13300122110022 |
5 | 231303144320 |
6 | 20525055150 |
7 | 3140045166 |
oct | 760322412 |
9 | 301770413 |
10 | 130131210 |
11 | 67501560 |
12 | 376b74b6 |
13 | 20c63421 |
14 | 133d5ca6 |
15 | b6575e0 |
hex | 7c1a50a |
130131210 has 64 divisors (see below), whose sum is σ = 342766080. Its totient is φ = 31356480.
The previous prime is 130131191. The next prime is 130131229. The reversal of 130131210 is 12131031.
It is an interprime number because it is at equal distance from previous prime (130131191) and next prime (130131229).
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, 57969 + ... + 60171.
It is an arithmetic number, because the mean of its divisors is an integer number (5355720).
Almost surely, 2130131210 is an apocalyptic number.
130131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 130131210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171383040).
130131210 is an abundant number, since it is smaller than the sum of its proper divisors (212634870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130131210 is a wasteful number, since it uses less digits than its factorization.
130131210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2403.
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 130131210 is about 11407.5067389855. The cubic root of 130131210 is about 506.7500761995.
Adding to 130131210 its reverse (12131031), we get a palindrome (142262241).
The spelling of 130131210 in words is "one hundred thirty million, one hundred thirty-one thousand, two hundred ten".
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