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320321300130 = 2325131792296679
BaseRepresentation
bin1001010100101001010…
…00110010011010100010
31010121210202001000220200
410222110220302122202
520222004223101010
6403053101050030
732066601061326
oct4522450623242
91117722030820
10320321300130
11113936028917
12520b6b56916
132428ac51460
1411709d83986
1584eb744cc0
hex4a94a326a2

320321300130 has 192 divisors, whose sum is σ = 905984352000. Its totient is φ = 78053746176.

The previous prime is 320321300129. The next prime is 320321300137. The reversal of 320321300130 is 31003123023.

320321300130 is a `hidden beast` number, since 32 + 0 + 321 + 300 + 13 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (320321300137) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47956131 + ... + 47962809.

It is an arithmetic number, because the mean of its divisors is an integer number (4718668500).

Almost surely, 2320321300130 is an apocalyptic number.

320321300130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 320321300130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452992176000).

320321300130 is an abundant number, since it is smaller than the sum of its proper divisors (585663051870).

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

320321300130 is a wasteful number, since it uses less digits than its factorization.

320321300130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7113 (or 7110 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 320321300130 its reverse (31003123023), we get a palindrome (351324423153).

The spelling of 320321300130 in words is "three hundred twenty billion, three hundred twenty-one million, three hundred thousand, one hundred thirty".