Search a number
-
+
201210212101211 = 1723514604123021
BaseRepresentation
bin101101101111111111100111…
…001101111010110001011011
3222101102111201122012122211122
4231233333213031322301123
5202333112003244214321
61551534410110515455
760244646425410425
oct5557774715726133
9871374648178748
10201210212101211
1159125854212205
121a697a78b05b8b
138837070497411
1437988aa523815
15183de155828ab
hexb6ffe737ac5b

201210212101211 has 8 divisors (see below), whose sum is σ = 222308981145504. Its totient is φ = 181140651303040.

The previous prime is 201210212101147. The next prime is 201210212101253. The reversal of 201210212101211 is 112101212012102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201210212101211 - 26 = 201210212101147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 201210212101211.

It is not an unprimeable number, because it can be changed into a prime (201210212101291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257302061120 + ... + 257302061901.

It is an arithmetic number, because the mean of its divisors is an integer number (27788622643188).

Almost surely, 2201210212101211 is an apocalyptic number.

201210212101211 is a deficient number, since it is larger than the sum of its proper divisors (21098769044293).

201210212101211 is a wasteful number, since it uses less digits than its factorization.

201210212101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514604123061.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201210212101211 its reverse (112101212012102), we get a palindrome (313311424113313).

The spelling of 201210212101211 in words is "two hundred one trillion, two hundred ten billion, two hundred twelve million, one hundred one thousand, two hundred eleven".

Divisors: 1 17 23 391 514604123021 8748270091357 11835894829483 201210212101211