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10200220200 = 2332525666789
BaseRepresentation
bin10010111111111101…
…10000001000101000
3222022212111212121100
421133332300020220
5131342224021300
64404054041400
7510525304212
oct113776601050
928285455540
1010200220200
114364838455
121b88049260
13c67320a71
146ca9a15b2
153ea75c700
hex25ffb0228

10200220200 has 72 divisors (see below), whose sum is σ = 34255745550. Its totient is φ = 2720058240.

The previous prime is 10200220187. The next prime is 10200220207. The reversal of 10200220200 is 202200201.

10200220200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 7860950244 + 2339269956 = 88662^2 + 48366^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10200220207) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 2831595 + ... + 2835194.

Almost surely, 210200220200 is an apocalyptic number.

10200220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200220200 is an abundant number, since it is smaller than the sum of its proper divisors (24055525350).

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

10200220200 is a wasteful number, since it uses less digits than its factorization.

10200220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666811 (or 5666799 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 10200220200 its reverse (202200201), we get a palindrome (10402420401).

It can be divided in two parts, 10200 and 220200, that added together give a square (230400 = 4802).

The spelling of 10200220200 in words is "ten billion, two hundred million, two hundred twenty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 150 180 200 225 300 360 450 600 900 1800 5666789 11333578 17000367 22667156 28333945 34000734 45334312 51001101 56667890 68001468 85001835 102002202 113335780 136002936 141669725 170003670 204004404 226671560 255005505 283339450 340007340 408008808 425009175 510011010 566678900 680014680 850018350 1020022020 1133357800 1275027525 1700036700 2040044040 2550055050 3400073400 5100110100 10200220200