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1230213144320 = 2852813420299
BaseRepresentation
bin10001111001101110011…
…010101101111100000000
311100121101200001212101122
4101321232122231330000
5130123434031104240
62341052505051412
7154610554122626
oct21715632557400
94317350055348
101230213144320
11434804280656
1217a50ba86b68
138c015b89bb4
1443784db7516
15220023b84b5
hex11e6e6adf00

1230213144320 has 72 divisors (see below), whose sum is σ = 2957232423600. Its totient is φ = 490333921280.

The previous prime is 1230213144319. The next prime is 1230213144331. The reversal of 1230213144320 is 234413120321.

It is a super-2 number, since 2×12302131443202 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1230213144320.

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, 1350470 + ... + 2069829.

It is an arithmetic number, because the mean of its divisors is an integer number (41072672550).

Almost surely, 21230213144320 is an apocalyptic number.

1230213144320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230213144320 is an abundant number, since it is smaller than the sum of its proper divisors (1727019279280).

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

1230213144320 is an equidigital number, since it uses as much as digits as its factorization.

1230213144320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420601 (or 3420587 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1230213144320 its reverse (234413120321), we get a palindrome (1464626264641).

The spelling of 1230213144320 in words is "one trillion, two hundred thirty billion, two hundred thirteen million, one hundred forty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 281 320 562 640 1124 1280 1405 2248 2810 4496 5620 8992 11240 17984 22480 35968 44960 71936 89920 179840 359680 3420299 6840598 13681196 17101495 27362392 34202990 54724784 68405980 109449568 136811960 218899136 273623920 437798272 547247840 875596544 961104019 1094495680 1922208038 2188991360 3844416076 4377982720 4805520095 7688832152 9611040190 15377664304 19222080380 30755328608 38444160760 61510657216 76888321520 123021314432 153776643040 246042628864 307553286080 615106572160 1230213144320