Search a number
-
+
201211211203 = 7911113229189
BaseRepresentation
bin1011101101100100011…
…1110110110111000011
3201020100202101120220121
42323121013312313003
511244040032224303
6232233554321111
720352126035002
oct2733107666703
9636322346817
10201211211203
11783735350a2
1232bb5289197
1315c8823a5b2
149a4acccc39
1553799769bd
hex2ed91f6dc3

201211211203 has 8 divisors (see below), whose sum is σ = 203777412800. Its totient is φ = 198645490368.

The previous prime is 201211211189. The next prime is 201211211239. The reversal of 201211211203 is 302112112102.

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 201211211203 - 29 = 201211210691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201211221203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763333 + ... + 992521.

It is an arithmetic number, because the mean of its divisors is an integer number (25472176600).

Almost surely, 2201211211203 is an apocalyptic number.

201211211203 is a deficient number, since it is larger than the sum of its proper divisors (2566201597).

201211211203 is a wasteful number, since it uses less digits than its factorization.

201211211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240381.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 201211211203 its reverse (302112112102), we get a palindrome (503323323305).

The spelling of 201211211203 in words is "two hundred one billion, two hundred eleven million, two hundred eleven thousand, two hundred three".

Divisors: 1 79 11113 229189 877927 18105931 2546977357 201211211203