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30320300000 = 25551931571
BaseRepresentation
bin11100001111001110…
…110000111111100000
32220021001222211101002
4130033032300333200
5444043444100000
621532353131132
72122236204044
oct341716607740
986231884332
1030320300000
111194a023181
125a62259aa8
132b2284ca23
141678bc4024
15bc6ce78d5
hex70f3b0fe0

30320300000 has 144 divisors (see below), whose sum is σ = 75045915504. Its totient is φ = 12057600000.

The previous prime is 30320299993. The next prime is 30320300011. The reversal of 30320300000 is 302303.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19299215 + ... + 19300785.

It is an arithmetic number, because the mean of its divisors is an integer number (521152191).

Almost surely, 230320300000 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 30320300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37522957752).

30320300000 is an abundant number, since it is smaller than the sum of its proper divisors (44725615504).

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

30320300000 is an equidigital number, since it uses as much as digits as its factorization.

30320300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 11.

Adding to 30320300000 its reverse (302303), we get a palindrome (30320602303).

The spelling of 30320300000 in words is "thirty billion, three hundred twenty million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 193 200 250 386 400 500 625 772 800 965 1000 1250 1544 1571 1930 2000 2500 3088 3125 3142 3860 4000 4825 5000 6176 6250 6284 7720 7855 9650 10000 12500 12568 15440 15710 19300 20000 24125 25000 25136 30880 31420 38600 39275 48250 50000 50272 62840 77200 78550 96500 100000 120625 125680 154400 157100 193000 196375 241250 251360 303203 314200 386000 392750 482500 603125 606406 628400 772000 785500 965000 981875 1206250 1212812 1256800 1516015 1571000 1930000 1963750 2412500 2425624 3032030 3142000 3860000 3927500 4825000 4851248 4909375 6064060 6284000 7580075 7855000 9650000 9702496 9818750 12128120 15160150 15710000 19300000 19637500 24256240 30320300 31420000 37900375 39275000 48512480 60640600 75800750 78550000 121281200 151601500 157100000 189501875 242562400 303203000 379003750 606406000 758007500 947509375 1212812000 1516015000 1895018750 3032030000 3790037500 6064060000 7580075000 15160150000 30320300000