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20101200101210 = 2513734039431047
BaseRepresentation
bin1001001001000001011001…
…11001000011111101011010
32122011122201012022022021102
410210200230321003331122
510113314224211214320
6110430210331311402
74143156322466504
oct444405471037532
978148635268242
1020101200101210
11644a964468a18
1223078b72ab562
13b2a6c5621a27
144d6c90836d74
1524cd2962b175
hex12482ce43f5a

20101200101210 has 32 divisors (see below), whose sum is σ = 36447418817280. Its totient is φ = 7981537398912.

The previous prime is 20101200101209. The next prime is 20101200101263. The reversal of 20101200101210 is 1210100210102.

It is a junction number, because it is equal to n+sod(n) for n = 20101200101191 and 20101200101200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46417907 + ... + 46848953.

It is an arithmetic number, because the mean of its divisors is an integer number (1138981838040).

Almost surely, 220101200101210 is an apocalyptic number.

20101200101210 is a deficient number, since it is larger than the sum of its proper divisors (16346218716070).

20101200101210 is a wasteful number, since it uses less digits than its factorization.

20101200101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465230.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20101200101210 its reverse (1210100210102), we get a palindrome (21311300311312).

The spelling of 20101200101210 in words is "twenty trillion, one hundred one billion, two hundred million, one hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 137 274 685 1370 34039 68078 170195 340390 431047 862094 2155235 4310470 4663343 9326686 23316715 46633430 59053439 118106878 295267195 590534390 14672408833 29344817666 73362044165 146724088330 2010120010121 4020240020242 10050600050605 20101200101210