Base | Representation |
---|---|
bin | 111100100110001011… |
… | …1011011111101011010 |
3 | 110102212222222200011000 |
4 | 1321030113123331122 |
5 | 4113001314344010 |
6 | 135440410245430 |
7 | 12254514466644 |
oct | 1711427337532 |
9 | 412788880130 |
10 | 130130231130 |
11 | 50208139769 |
12 | 21278426876 |
13 | c36ab71583 |
14 | 64268c9894 |
15 | 35b94da7c0 |
hex | 1e4c5dbf5a |
130130231130 has 128 divisors (see below), whose sum is σ = 354678186240. Its totient is φ = 33943276800.
The previous prime is 130130231123. The next prime is 130130231141. The reversal of 130130231130 is 31132031031.
It is a happy number.
130130231130 is a `hidden beast` number, since 1 + 301 + 3 + 0 + 231 + 130 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2234664 + ... + 2292156.
It is an arithmetic number, because the mean of its divisors is an integer number (2770923330).
Almost surely, 2130130231130 is an apocalyptic number.
130130231130 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 130130231130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177339093120).
130130231130 is an abundant number, since it is smaller than the sum of its proper divisors (224547955110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130130231130 is a wasteful number, since it uses less digits than its factorization.
130130231130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57693 (or 57687 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 130130231130 its reverse (31132031031), we get a palindrome (161262262161).
The spelling of 130130231130 in words is "one hundred thirty billion, one hundred thirty million, two hundred thirty-one thousand, one hundred thirty".
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