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30330135200 = 2552172230157
BaseRepresentation
bin11100001111110100…
…010010001010100000
32220021202111111201202
4130033310102022200
5444104003311300
621533344020332
72122415616101
oct341764221240
986252444652
1030330135200
1111954630542
125a656016a8
132b248b4581
14167a2243a8
15bc7adbad5
hex70fd122a0

30330135200 has 72 divisors (see below), whose sum is σ = 78398974332. Its totient is φ = 11418398720.

The previous prime is 30330135179. The next prime is 30330135203. The reversal of 30330135200 is 253103303.

It can be written as a sum of positive squares in 6 ways, for example, as 7626878224 + 22703256976 = 87332^2 + 150676^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (30330135203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1101479 + ... + 1128678.

Almost surely, 230330135200 is an apocalyptic number.

It is an amenable number.

30330135200 is an abundant number, since it is smaller than the sum of its proper divisors (48068839132).

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

30330135200 is a wasteful number, since it uses less digits than its factorization.

30330135200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230194 (or 2230181 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 20.

Adding to 30330135200 its reverse (253103303), we get a palindrome (30583238503).

The spelling of 30330135200 in words is "thirty billion, three hundred thirty million, one hundred thirty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 68 80 85 100 136 160 170 200 272 340 400 425 544 680 800 850 1360 1700 2720 3400 6800 13600 2230157 4460314 8920628 11150785 17841256 22301570 35682512 37912669 44603140 55753925 71365024 75825338 89206280 111507850 151650676 178412560 189563345 223015700 303301352 356825120 379126690 446031400 606602704 758253380 892062800 947816725 1213205408 1516506760 1784125600 1895633450 3033013520 3791266900 6066027040 7582533800 15165067600 30330135200