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20132311031200 = 2552103244324163
BaseRepresentation
bin1001001001111011010110…
…01111110101110110100000
32122021122000101000022002201
410210331223033311312200
510114321433110444300
6110452353410422544
74145340302153344
oct444755317656640
978248011008081
1020132311031200
116462079802105
12231193a291a54
13b30612bc3744
144d85a2627624
1524da4aa4966a
hex124f6b3f5da0

20132311031200 has 72 divisors (see below), whose sum is σ = 49625169598368. Its totient is φ = 7974740647680.

The previous prime is 20132311031197. The next prime is 20132311031213. The reversal of 20132311031200 is 213011323102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122079682 + ... + 122244481.

It is an arithmetic number, because the mean of its divisors is an integer number (689238466644).

Almost surely, 220132311031200 is an apocalyptic number.

20132311031200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20132311031200 is an abundant number, since it is smaller than the sum of its proper divisors (29492858567168).

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

20132311031200 is a wasteful number, since it uses less digits than its factorization.

20132311031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244324286 (or 244324273 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20132311031200 its reverse (213011323102), we get a palindrome (20345322354302).

The spelling of 20132311031200 in words is "twenty trillion, one hundred thirty-two billion, three hundred eleven million, thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 103 160 200 206 400 412 515 800 824 1030 1648 2060 2575 3296 4120 5150 8240 10300 16480 20600 41200 82400 244324163 488648326 977296652 1221620815 1954593304 2443241630 3909186608 4886483260 6108104075 7818373216 9772966520 12216208150 19545933040 24432416300 25165388789 39091866080 48864832600 50330777578 97729665200 100661555156 125826943945 195459330400 201323110312 251653887890 402646220624 503307775780 629134719725 805292441248 1006615551560 1258269439450 2013231103120 2516538878900 4026462206240 5033077757800 10066155515600 20132311031200