Search a number
-
+
200011101220 = 22571762781049
BaseRepresentation
bin1011101001000110010…
…1110011010000100100
3201010021010011200111201
42322101211303100210
511234110320214340
6231514524012244
720310314211040
oct2722145632044
9633233150451
10200011101220
1177908063767
123291b391084
1315b26708048
149975771020
15530941879a
hex2e91973424

200011101220 has 48 divisors (see below), whose sum is σ = 480059798400. Its totient is φ = 68570498304.

The previous prime is 200011101187. The next prime is 200011101259. The reversal of 200011101220 is 22101110002.

It is a super-2 number, since 2×2000111012202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 200011101197 and 200011101206.

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 15 ways as a sum of consecutive naturals, for example, 2427256 + ... + 2508304.

It is an arithmetic number, because the mean of its divisors is an integer number (10001245800).

Almost surely, 2200011101220 is an apocalyptic number.

200011101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200011101220 is an abundant number, since it is smaller than the sum of its proper divisors (280048697180).

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

200011101220 is a wasteful number, since it uses less digits than its factorization.

200011101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98692 (or 98690 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200011101220 its reverse (22101110002), we get a palindrome (222112211222).

The spelling of 200011101220 in words is "two hundred billion, eleven million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 17627 35254 70508 81049 88135 123389 162098 176270 246778 324196 352540 405245 493556 567343 616945 810490 1134686 1233890 1620980 2269372 2467780 2836715 5673430 11346860 1428650723 2857301446 5714602892 7143253615 10000555061 14286507230 20001110122 28573014460 40002220244 50002775305 100005550610 200011101220