Base | Representation |
---|---|
bin | 1001001001000011010001… |
… | …00111000010111001001011 |
3 | 2122011202022000120121102020 |
4 | 10210201220213002321023 |
5 | 10113323302203324321 |
6 | 110430454001535523 |
7 | 4143223206544065 |
oct | 444415047027113 |
9 | 78152260517366 |
10 | 20102202011211 |
11 | 6450328a76811 |
12 | 2307b369445a3 |
13 | b2a82507a398 |
14 | 4d6d47920735 |
15 | 24cd875884c6 |
hex | 1248689c2e4b |
20102202011211 has 32 divisors (see below), whose sum is σ = 28389328934400. Its totient is φ = 12617093422080.
The previous prime is 20102202011209. The next prime is 20102202011219. The reversal of 20102202011211 is 11211020220102.
It is not a de Polignac number, because 20102202011211 - 21 = 20102202011209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20102202011219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40006171 + ... + 40505531.
It is an arithmetic number, because the mean of its divisors is an integer number (887166529200).
Almost surely, 220102202011211 is an apocalyptic number.
20102202011211 is a deficient number, since it is larger than the sum of its proper divisors (8287126923189).
20102202011211 is a wasteful number, since it uses less digits than its factorization.
20102202011211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 503779.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 20102202011211 its reverse (11211020220102), we get a palindrome (31313222231313).
The spelling of 20102202011211 in words is "twenty trillion, one hundred two billion, two hundred two million, eleven thousand, two hundred eleven".
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