Base | Representation |
---|---|
bin | 1011101100111001100… |
… | …0011111011010000011 |
3 | 201012220012100001002020 |
4 | 2323032120133122003 |
5 | 11243202420202321 |
6 | 232204040252523 |
7 | 20344510331445 |
oct | 2731630373203 |
9 | 635805301066 |
10 | 201031022211 |
11 | 78290853478 |
12 | 32b64a71143 |
13 | 15c59acb6a6 |
14 | 9a30dc6495 |
15 | 5368c324c6 |
hex | 2ece61f683 |
201031022211 has 16 divisors (see below), whose sum is σ = 269570246400. Its totient is φ = 133256504160.
The previous prime is 201031022209. The next prime is 201031022239. The reversal of 201031022211 is 112220130102.
It is not a de Polignac number, because 201031022211 - 21 = 201031022209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (201031021211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3336196 + ... + 3395918.
It is an arithmetic number, because the mean of its divisors is an integer number (16848140400).
Almost surely, 2201031022211 is an apocalyptic number.
201031022211 is a deficient number, since it is larger than the sum of its proper divisors (68539224189).
201031022211 is a wasteful number, since it uses less digits than its factorization.
201031022211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66106.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 201031022211 its reverse (112220130102), we get a palindrome (313251152313).
The spelling of 201031022211 in words is "two hundred one billion, thirty-one million, twenty-two thousand, two hundred eleven".
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