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20110201110097 = 722923360738829
BaseRepresentation
bin1001001001010010001010…
…11001001011111001010001
32122012111221111021221012221
410210221011121023321101
510113441142441010342
6110434255430221041
74143625350012100
oct444510531137121
978174844257187
1020110201110097
11645376328913a
1223095a97b4781
13b2b4cb3662a7
144d74a6032037
1524d1a4956a67
hex124a4564be51

20110201110097 has 24 divisors (see below), whose sum is σ = 24304035436200. Its totient is φ = 16571495920896.

The previous prime is 20110201110067. The next prime is 20110201110127. The reversal of 20110201110097 is 79001110201102.

It is an interprime number because it is at equal distance from previous prime (20110201110067) and next prime (20110201110127).

It can be written as a sum of positive squares in 4 ways, for example, as 1456923834961 + 18653277275136 = 1207031^2 + 4318944^2 .

It is not a de Polignac number, because 20110201110097 - 27 = 20110201109969 is a prime.

It is a super-2 number, since 2×201102011100972 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110201110067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30038322 + ... + 30700507.

It is an arithmetic number, because the mean of its divisors is an integer number (1012668143175).

Almost surely, 220110201110097 is an apocalyptic number.

It is an amenable number.

20110201110097 is a deficient number, since it is larger than the sum of its proper divisors (4193834326103).

20110201110097 is a wasteful number, since it uses less digits than its factorization.

20110201110097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60739105 (or 60739098 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 20110201110097 its reverse (79001110201102), we get a palindrome (99111311311199).

The spelling of 20110201110097 in words is "twenty trillion, one hundred ten billion, two hundred one million, one hundred ten thousand, ninety-seven".

Divisors: 1 7 29 49 203 233 1421 1631 6757 11417 47299 331093 60738829 425171803 1761426041 2976202621 12329982287 14152147157 86309876009 99065030099 410412267553 693455210693 2872885872871 20110201110097