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20110210211211 = 359713055752369
BaseRepresentation
bin1001001001010010001011…
…11011111001110110001011
32122012111222010102022121020
410210221011323321312023
510113441202303224321
6110434300353243523
74143625520246001
oct444510573716613
978174863368536
1020110210211211
116453768434a1a
1223095b08635a3
13b2b500201973
144d74a7320a71
1524d1a56534c6
hex124a45ef9d8b

20110210211211 has 32 divisors (see below), whose sum is σ = 27653572108800. Its totient is φ = 12993271656960.

The previous prime is 20110210211171. The next prime is 20110210211219. The reversal of 20110210211211 is 11211201201102.

It is a happy number.

It is not a de Polignac number, because 20110210211211 - 222 = 20110206016907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20110210211219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383983635 + ... + 384036003.

It is an arithmetic number, because the mean of its divisors is an integer number (864174128400).

Almost surely, 220110210211211 is an apocalyptic number.

20110210211211 is a deficient number, since it is larger than the sum of its proper divisors (7543361897589).

20110210211211 is a wasteful number, since it uses less digits than its factorization.

20110210211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83059.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20110210211211 its reverse (11211201201102), we get a palindrome (31321411412313).

The spelling of 20110210211211 in words is "twenty trillion, one hundred ten billion, two hundred ten million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 3 59 71 177 213 4189 12567 30557 52369 91671 157107 1802863 2169547 3089771 3718199 5408589 6508641 9269313 11154597 128003273 219373741 384009819 658121223 1600239533 4800718599 94414132447 113617006843 283242397341 340851020529 6703403403737 20110210211211