Search a number
-
+
130231230000 = 243549744753
BaseRepresentation
bin111100101001001100…
…0101101111000110000
3110110011001000221112220
41321102120231320300
54113203143330000
6135454415121040
712260152122204
oct1712230557060
9413131027486
10130231230000
115025a152703
12212a6213180
13c385a74911
14643609ab04
1535c32db1a0
hex1e5262de30

130231230000 has 200 divisors, whose sum is σ = 424747324848. Its totient is φ = 34369536000.

The previous prime is 130231229969. The next prime is 130231230029. The reversal of 130231230000 is 32132031.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2887624 + ... + 2932376.

Almost surely, 2130231230000 is an apocalyptic number.

130231230000 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 130231230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212373662424).

130231230000 is an abundant number, since it is smaller than the sum of its proper divisors (294516094848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130231230000 is an equidigital number, since it uses as much as digits as its factorization.

130231230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44881 (or 44860 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 130231230000 its reverse (32132031), we get a palindrome (130263362031).

The spelling of 130231230000 in words is "one hundred thirty billion, two hundred thirty-one million, two hundred thirty thousand".