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201230311200 = 2535283845963
BaseRepresentation
bin1011101101101001000…
…0101101111100100000
3201020102002022222011220
42323122100231330200
511244104424424300
6232235515535040
720352450265062
oct2733220557440
9636362288156
10201230311200
11783832a0216
1232bbb75a480
1315c8c197179
149a4d661732
15537b49ada0
hex2eda42df20

201230311200 has 72 divisors (see below), whose sum is σ = 655004670768. Its totient is φ = 53661415680.

The previous prime is 201230311187. The next prime is 201230311229. The reversal of 201230311200 is 2113032102.

201230311200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201230311200.

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 11 ways as a sum of consecutive naturals, for example, 41920582 + ... + 41925381.

It is an arithmetic number, because the mean of its divisors is an integer number (9097287094).

Almost surely, 2201230311200 is an apocalyptic number.

201230311200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201230311200 is an abundant number, since it is smaller than the sum of its proper divisors (453774359568).

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

201230311200 is a wasteful number, since it uses less digits than its factorization.

201230311200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83845986 (or 83845973 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 201230311200 its reverse (2113032102), we get a palindrome (203343343302).

The spelling of 201230311200 in words is "two hundred one billion, two hundred thirty million, three hundred eleven thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 83845963 167691926 251537889 335383852 419229815 503075778 670767704 838459630 1006151556 1257689445 1341535408 1676919260 2012303112 2096149075 2515378890 2683070816 3353838520 4024606224 4192298150 5030757780 6288447225 6707677040 8049212448 8384596300 10061515560 12576894450 13415354080 16769192600 20123031120 25153788900 33538385200 40246062240 50307577800 67076770400 100615155600 201230311200