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10800000800 = 2552531791423
BaseRepresentation
bin10100000111011101…
…01110111100100000
31000212200002212220122
422003232232330200
5134104300011200
64543401255412
7531430330541
oct120356567440
930780085818
1010800000800
1146423564a6
122114a94568
131031670824
147464cc4c8
15433235385
hex283baef20

10800000800 has 144 divisors (see below), whose sum is σ = 27032019840. Its totient is φ = 4211850240.

The previous prime is 10800000793. The next prime is 10800000811. The reversal of 10800000800 is 800000801.

It is a happy number.

10800000800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 7588889 + ... + 7590311.

It is an arithmetic number, because the mean of its divisors is an integer number (187722360).

Almost surely, 210800000800 is an apocalyptic number.

10800000800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10800000800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13516009920).

10800000800 is an abundant number, since it is smaller than the sum of its proper divisors (16232019040).

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

10800000800 is a wasteful number, since it uses less digits than its factorization.

10800000800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Subtracting from 10800000800 its reverse (800000801), we obtain a palindrome (9999999999).

The spelling of 10800000800 in words is "ten billion, eight hundred million, eight hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 53 80 100 106 160 179 200 212 265 358 400 424 530 716 800 848 895 1060 1325 1423 1432 1696 1790 2120 2650 2846 2864 3580 4240 4475 5300 5692 5728 7115 7160 8480 8950 9487 10600 11384 14230 14320 17900 18974 21200 22768 28460 28640 35575 35800 37948 42400 45536 47435 56920 71150 71600 75419 75896 94870 113840 142300 143200 150838 151792 189740 227680 237175 254717 284600 301676 303584 377095 379480 474350 509434 569200 603352 754190 758960 948700 1018868 1138400 1206704 1273585 1508380 1517920 1885475 1897400 2037736 2413408 2547170 3016760 3770950 3794800 4075472 5094340 6033520 6367925 7541900 7589600 8150944 10188680 12067040 12735850 13500001 15083800 20377360 25471700 27000002 30167600 40754720 50943400 54000004 60335200 67500005 101886800 108000008 135000010 203773600 216000016 270000020 337500025 432000032 540000040 675000050 1080000080 1350000100 2160000160 2700000200 5400000400 10800000800