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20102211122013 = 3288722071140973
BaseRepresentation
bin1001001001000011010010…
…01001110011001101011101
32122011202022122201111002100
410210201221021303031131
510113323312021401023
6110430454525115313
74143223350151146
oct444415111631535
978152278644070
1020102211122013
1164503331298a9
122307b399b8b39
13b2a826c1a2a7
144d6d48c12acd
1524cd88287c43
hex12486927335d

20102211122013 has 24 divisors (see below), whose sum is σ = 29082459714048. Its totient is φ = 13380288177312.

The previous prime is 20102211122011. The next prime is 20102211122017. The reversal of 20102211122013 is 31022111220102.

20102211122013 is a `hidden beast` number, since 201 + 0 + 221 + 11 + 220 + 13 = 666.

It is not a de Polignac number, because 20102211122013 - 21 = 20102211122011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102211122011) 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, 17047995 + ... + 18188967.

It is an arithmetic number, because the mean of its divisors is an integer number (1211769154752).

Almost surely, 220102211122013 is an apocalyptic number.

It is an amenable number.

20102211122013 is a deficient number, since it is larger than the sum of its proper divisors (8980248592035).

20102211122013 is a wasteful number, since it uses less digits than its factorization.

20102211122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144073 (or 1144070 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20102211122013 its reverse (31022111220102), we get a palindrome (51124322342115).

The spelling of 20102211122013 in words is "twenty trillion, one hundred two billion, two hundred eleven million, one hundred twenty-two thousand, thirteen".

Divisors: 1 3 9 887 2207 2661 6621 7983 19863 1140973 1957609 3422919 5872827 10268757 17618481 1012043051 2518127411 3036129153 7554382233 9108387459 22663146699 2233579013557 6700737040671 20102211122013