Search a number
-
+
11430311200 = 2552711185557
BaseRepresentation
bin10101010010100110…
…01011010100100000
31002111121010222020021
422221103023110200
5141402124424300
65130115123224
7553153020310
oct125123132440
932447128207
1011430311200
114936126a90
12226bba3514
13110211c769
147a60c5440
1546d73dd1a
hex2a94cb520

11430311200 has 144 divisors (see below), whose sum is σ = 34789898304. Its totient is φ = 3562675200.

The previous prime is 11430311171. The next prime is 11430311203. The reversal of 11430311200 is 211303411.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (11430311203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31179 + ... + 154378.

It is an arithmetic number, because the mean of its divisors is an integer number (241596516).

Almost surely, 211430311200 is an apocalyptic number.

11430311200 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 11430311200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17394949152).

11430311200 is an abundant number, since it is smaller than the sum of its proper divisors (23359587104).

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

11430311200 is a wasteful number, since it uses less digits than its factorization.

11430311200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185595 (or 185582 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11430311200 its reverse (211303411), we get a palindrome (11641614611).

The spelling of 11430311200 in words is "eleven billion, four hundred thirty million, three hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 25 28 32 35 40 44 50 55 56 70 77 80 88 100 110 112 140 154 160 175 176 200 220 224 275 280 308 350 352 385 400 440 550 560 616 700 770 800 880 1100 1120 1232 1400 1540 1760 1925 2200 2464 2800 3080 3850 4400 5600 6160 7700 8800 12320 15400 30800 61600 185557 371114 742228 927785 1298899 1484456 1855570 2041127 2597798 2968912 3711140 4082254 4638925 5195596 5937824 6494495 7422280 8164508 9277850 10205635 10391192 12988990 14287889 14844560 16329016 18555700 20411270 20782384 25977980 28575778 29689120 32472475 32658032 37111400 40822540 41564768 51028175 51955960 57151556 64944950 65316064 71439445 74222800 81645080 102056350 103911920 114303112 129889900 142878890 148445600 163290160 204112700 207823840 228606224 259779800 285757780 326580320 357197225 408225400 457212448 519559600 571515560 714394450 816450800 1039119200 1143031120 1428788900 1632901600 2286062240 2857577800 5715155600 11430311200