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206200644200 = 235223250317909
BaseRepresentation
bin1100000000001010000…
…1000010001001101000
3201201020110220001021022
43000002201002021220
511334244331103300
6234421031232012
720616562361615
oct3000241021150
9651213801238
10206200644200
117a4a3984a41
1233b68218608
13165a1b39505
149da17dd50c
15556c9e2285
hex3002842268

206200644200 has 96 divisors (see below), whose sum is σ = 500488502400. Its totient is φ = 78858236160.

The previous prime is 206200644197. The next prime is 206200644227. The reversal of 206200644200 is 2446002602.

It is a self number, because there is not a number n which added to its sum of digits gives 206200644200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11504846 + ... + 11522754.

It is an arithmetic number, because the mean of its divisors is an integer number (5213421900).

Almost surely, 2206200644200 is an apocalyptic number.

206200644200 is a gapful number since it is divisible by the number (20) 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 206200644200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250244251200).

206200644200 is an abundant number, since it is smaller than the sum of its proper divisors (294287858200).

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

206200644200 is a wasteful number, since it uses less digits than its factorization.

206200644200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20451 (or 20442 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 206200644200 its reverse (2446002602), we get a palindrome (208646646802).

The spelling of 206200644200 in words is "two hundred six billion, two hundred million, six hundred forty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 23 25 40 46 50 92 100 115 184 200 230 460 575 920 1150 2300 2503 4600 5006 10012 12515 17909 20024 25030 35818 50060 57569 62575 71636 89545 100120 115138 125150 143272 179090 230276 250300 287845 358180 411907 447725 460552 500600 575690 716360 823814 895450 1151380 1439225 1647628 1790900 2059535 2302760 2878450 3295256 3581800 4119070 5756900 8238140 10297675 11513800 16476280 20595350 41190700 44826227 82381400 89652454 179304908 224131135 358609816 448262270 896524540 1031003221 1120655675 1793049080 2062006442 2241311350 4124012884 4482622700 5155016105 8248025768 8965245400 10310032210 20620064420 25775080525 41240128840 51550161050 103100322100 206200644200