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210430220240000 = 27542630377753
BaseRepresentation
bin101111110110001010011010…
…100001110000010010000000
31000121001221011212010221020202
4233312022122201300102000
5210040142042340140000
62023314150355224332
762216040011455115
oct5766123241602200
91017057155127222
10210430220240000
116105aa5646a322
121b726952ba80a8
13905563b940547
1439d6c3c6d090c
15194db8da0add5
hexbf629a870480

210430220240000 has 80 divisors (see below), whose sum is σ = 523852881597870. Its totient is φ = 84172088064000.

The previous prime is 210430220239997. The next prime is 210430220240077. The reversal of 210430220240000 is 42022034012.

It can be written as a sum of positive squares in 5 ways, for example, as 2198624666176 + 208231595573824 = 1482776^2 + 14430232^2 .

It is a tau number, because it is divible by the number of its divisors (80).

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1315108877 + ... + 1315268876.

Almost surely, 2210430220240000 is an apocalyptic number.

210430220240000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210430220240000 is an abundant number, since it is smaller than the sum of its proper divisors (313422661357870).

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

210430220240000 is an frugal number, since it uses more digits than its factorization.

210430220240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630377787 (or 2630377760 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 210430220240000 its reverse (42022034012), we get a palindrome (210472242274012).

The spelling of 210430220240000 in words is "two hundred ten trillion, four hundred thirty billion, two hundred twenty million, two hundred forty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 625 640 800 1000 1250 1600 2000 2500 3200 4000 5000 8000 10000 16000 20000 40000 80000 2630377753 5260755506 10521511012 13151888765 21043022024 26303777530 42086044048 52607555060 65759443825 84172088096 105215110120 131518887650 168344176192 210430220240 263037775300 328797219125 336688352384 420860440480 526075550600 657594438250 841720880960 1052151101200 1315188876500 1643986095625 1683441761920 2104302202400 2630377753000 3287972191250 4208604404800 5260755506000 6575944382500 8417208809600 10521511012000 13151888765000 21043022024000 26303777530000 42086044048000 52607555060000 105215110120000 210430220240000