Search a number
-
+
2201020211 = 131913168023
BaseRepresentation
bin1000001100110000…
…1110011100110011
312200101121102010002
42003030032130303
514001430121321
61002223300215
7105354235355
oct20314163463
95611542102
102201020211
11a2a467075
1251514a66b
13290ccab30
1416c4650d5
15cd36e20b
hex8330e733

2201020211 has 16 divisors (see below), whose sum is σ = 2514167040. Its totient is φ = 1910057760.

The previous prime is 2201020201. The next prime is 2201020223. The reversal of 2201020211 is 1120201022.

It is a happy number.

It is not a de Polignac number, because 2201020211 - 218 = 2200758067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201020192 and 2201020201.

It is not an unprimeable number, because it can be changed into a prime (2201020201) 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, 1655 + ... + 66368.

It is an arithmetic number, because the mean of its divisors is an integer number (157135440).

Almost surely, 22201020211 is an apocalyptic number.

2201020211 is a deficient number, since it is larger than the sum of its proper divisors (313146829).

2201020211 is a wasteful number, since it uses less digits than its factorization.

2201020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68186.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2201020211 is about 46915.0318234998. The cubic root of 2201020211 is about 1300.7924578587.

Adding to 2201020211 its reverse (1120201022), we get a palindrome (3321221233).

The spelling of 2201020211 in words is "two billion, two hundred one million, twenty thousand, two hundred eleven".

Divisors: 1 13 19 131 247 1703 2489 32357 68023 884299 1292437 8911013 16801681 115843169 169309247 2201020211