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1320203323230 = 235116165583871
BaseRepresentation
bin10011001101100010010…
…000000000011101011110
311200012200020110121111220
4103031202100000131132
5133112234022320410
62450254254554210
7164244604043361
oct23154220003536
94605606417456
101320203323230
114699933a3a40
12193a45508966
1397657950b7c
1447c8087a0d8
152451c955070
hex1336240075e

1320203323230 has 64 divisors (see below), whose sum is σ = 3513196855296. Its totient is φ = 314802576000.

The previous prime is 1320203323211. The next prime is 1320203323253. The reversal of 1320203323230 is 323233020231.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320203323230.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 32771806 + ... + 32812065.

It is an arithmetic number, because the mean of its divisors is an integer number (54893700864).

Almost surely, 21320203323230 is an apocalyptic number.

1320203323230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320203323230 is an abundant number, since it is smaller than the sum of its proper divisors (2192993532066).

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

1320203323230 is a wasteful number, since it uses less digits than its factorization.

1320203323230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65583953.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 1320203323230 its reverse (323233020231), we get a palindrome (1643436343461).

The spelling of 1320203323230 in words is "one trillion, three hundred twenty billion, two hundred three million, three hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 61 66 110 122 165 183 305 330 366 610 671 915 1342 1830 2013 3355 4026 6710 10065 20130 65583871 131167742 196751613 327919355 393503226 655838710 721422581 983758065 1442845162 1967516130 2164267743 3607112905 4000616131 4328535486 7214225810 8001232262 10821338715 12001848393 20003080655 21642677430 24003696786 40006161310 44006777441 60009241965 88013554882 120018483930 132020332323 220033887205 264040664646 440067774410 660101661615 1320203323230