Search a number
-
+
12211242303 = 313313108777
BaseRepresentation
bin10110101111101100…
…01100010100111111
31011112000121101022110
423113312030110333
5200002034223203
65335413145103
7611414563341
oct132766142477
934460541273
1012211242303
1151a6a23097
12244962b193
1311c7b56c80
1483bac9291
154b709ad03
hex2d7d8c53f

12211242303 has 8 divisors (see below), whose sum is σ = 17534091568. Its totient is φ = 7514610624.

The previous prime is 12211242299. The next prime is 12211242319. The reversal of 12211242303 is 30324211221.

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

It is not a de Polignac number, because 12211242303 - 22 = 12211242299 is a prime.

It is a super-4 number, since 4×122112423034 (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12211242303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211242203) 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, 156554350 + ... + 156554427.

It is an arithmetic number, because the mean of its divisors is an integer number (2191761446).

Almost surely, 212211242303 is an apocalyptic number.

12211242303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12211242303 is a deficient number, since it is larger than the sum of its proper divisors (5322849265).

12211242303 is a wasteful number, since it uses less digits than its factorization.

12211242303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313108793.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12211242303 its reverse (30324211221), we get a palindrome (42535453524).

The spelling of 12211242303 in words is "twelve billion, two hundred eleven million, two hundred forty-two thousand, three hundred three".

Divisors: 1 3 13 39 313108777 939326331 4070414101 12211242303