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30013330000 = 245417176549
BaseRepresentation
bin11011111100111011…
…110001001001010000
32212110200101010200211
4123330323301021100
5442431403030000
621442105453504
72111521044553
oct337473611120
985420333624
1030013330000
1111801819065
1259974a1294
132aa4081584
14164a11869a
15ba9dad7ba
hex6fcef1250

30013330000 has 100 divisors (see below), whose sum is σ = 76940136900. Its totient is φ = 11299072000.

The previous prime is 30013329971. The next prime is 30013330001. The reversal of 30013330000 is 3331003.

It can be written as a sum of positive squares in 10 ways, for example, as 20094763536 + 9918566464 = 141756^2 + 99592^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013330001) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 81726 + ... + 258274.

It is an arithmetic number, because the mean of its divisors is an integer number (769401369).

Almost surely, 230013330000 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 30013330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38470068450).

30013330000 is an abundant number, since it is smaller than the sum of its proper divisors (46926806900).

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

30013330000 is a wasteful number, since it uses less digits than its factorization.

30013330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176594 (or 176573 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 13.

Adding to 30013330000 its reverse (3331003), we get a palindrome (30016661003).

The spelling of 30013330000 in words is "thirty billion, thirteen million, three hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 125 136 170 200 250 272 340 400 425 500 625 680 850 1000 1250 1360 1700 2000 2125 2500 3400 4250 5000 6800 8500 10000 10625 17000 21250 34000 42500 85000 170000 176549 353098 706196 882745 1412392 1765490 2824784 3001333 3530980 4413725 6002666 7061960 8827450 12005332 14123920 15006665 17654900 22068625 24010664 30013330 35309800 44137250 48021328 60026660 70619600 75033325 88274500 110343125 120053320 150066650 176549000 220686250 240106640 300133300 353098000 375166625 441372500 600266600 750333250 882745000 1200533200 1500666500 1765490000 1875833125 3001333000 3751666250 6002666000 7503332500 15006665000 30013330000