Search a number
-
+
2213331211212 = 2231116767660691
BaseRepresentation
bin100000001101010100110…
…100100001001111001100
321211120222212011020021220
4200031110310201033030
5242230400242224322
64412442413123340
7315623260611042
oct40152464411714
97746885136256
102213331211212
11783739849310
122b8b60189550
131309407603b4
14791a92b6392
153c8919ca55c
hex20354d213cc

2213331211212 has 24 divisors (see below), whose sum is σ = 5633933992512. Its totient is φ = 670706427600.

The previous prime is 2213331211177. The next prime is 2213331211219. The reversal of 2213331211212 is 2121121333122.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2213331211219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8383830214 + ... + 8383830477.

It is an arithmetic number, because the mean of its divisors is an integer number (234747249688).

Almost surely, 22213331211212 is an apocalyptic number.

2213331211212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2213331211212 is an abundant number, since it is smaller than the sum of its proper divisors (3420602781300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2213331211212 is a wasteful number, since it uses less digits than its factorization.

2213331211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16767660709 (or 16767660707 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

Adding to 2213331211212 its reverse (2121121333122), we get a palindrome (4334452544334).

The spelling of 2213331211212 in words is "two trillion, two hundred thirteen billion, three hundred thirty-one million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 16767660691 33535321382 50302982073 67070642764 100605964146 184444267601 201211928292 368888535202 553332802803 737777070404 1106665605606 2213331211212