Search a number
-
+
1200211321308 = 223382312616139
BaseRepresentation
bin10001011101110010001…
…010110110000111011100
311020201221210100100022120
4101131302022312013130
5124131013044240213
62315211445542540
7152466232622106
oct21356212660734
94221853310276
101200211321308
114230090019aa
12174738414a50
13892443070bc
144213a616576
152134852e423
hex117722b61dc

1200211321308 has 24 divisors (see below), whose sum is σ = 2800567405440. Its totient is φ = 400059822960.

The previous prime is 1200211321279. The next prime is 1200211321357. The reversal of 1200211321308 is 8031231120021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849298 + ... + 1766841.

It is an arithmetic number, because the mean of its divisors is an integer number (116690308560).

Almost surely, 21200211321308 is an apocalyptic number.

It is an amenable number.

1200211321308 is an abundant number, since it is smaller than the sum of its proper divisors (1600356084132).

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

1200211321308 is a wasteful number, since it uses less digits than its factorization.

1200211321308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654377 (or 2654375 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1200211321308 its reverse (8031231120021), we get a palindrome (9231442441329).

The spelling of 1200211321308 in words is "one trillion, two hundred billion, two hundred eleven million, three hundred twenty-one thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 38231 76462 114693 152924 229386 458772 2616139 5232278 7848417 10464556 15696834 31393668 100017610109 200035220218 300052830327 400070440436 600105660654 1200211321308