Base | Representation |
---|---|
bin | 1011101100110100100… |
… | …1000100011001100011 |
3 | 201012211202011021102010 |
4 | 2323031021010121203 |
5 | 11243132102432321 |
6 | 232202014124003 |
7 | 20344135345650 |
oct | 2731511043143 |
9 | 635752137363 |
10 | 201010202211 |
11 | 78280023065 |
12 | 32b59ab0603 |
13 | 15c556bbc70 |
14 | 9a2c326c27 |
15 | 5366ebd676 |
hex | 2ecd244663 |
201010202211 has 64 divisors (see below), whose sum is σ = 339864956928. Its totient is φ = 102852384768.
The previous prime is 201010202177. The next prime is 201010202233. The reversal of 201010202211 is 112202010102.
It is not a de Polignac number, because 201010202211 - 222 = 201006007907 is a prime.
It is not an unprimeable number, because it can be changed into a prime (201010202011) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1380585 + ... + 1519221.
It is an arithmetic number, because the mean of its divisors is an integer number (5310389952).
Almost surely, 2201010202211 is an apocalyptic number.
201010202211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
201010202211 is a deficient number, since it is larger than the sum of its proper divisors (138854754717).
201010202211 is a wasteful number, since it uses less digits than its factorization.
201010202211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138820.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 201010202211 its reverse (112202010102), we get a palindrome (313212212313).
The spelling of 201010202211 in words is "two hundred one billion, ten million, two hundred two thousand, two hundred eleven".
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