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202300205040 = 243251879149533
BaseRepresentation
bin1011110001101000001…
…0000010011111110000
3201100011122112012121200
42330122002002133300
511303302323030130
6232534015251200
720421121241103
oct2743202023760
9640148465550
10202300205040
11788822122aa
1233259b19b00
13160cca3674b
149b117a473a
1553e0386760
hex2f1a0827f0

202300205040 has 120 divisors (see below), whose sum is σ = 679757638560. Its totient is φ = 53917650432.

The previous prime is 202300205039. The next prime is 202300205069. The reversal of 202300205040 is 40502003202.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 1278114 + ... + 1427646.

It is an arithmetic number, because the mean of its divisors is an integer number (5664646988).

Almost surely, 2202300205040 is an apocalyptic number.

202300205040 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 202300205040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339878819280).

202300205040 is an abundant number, since it is smaller than the sum of its proper divisors (477457433520).

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

202300205040 is a wasteful number, since it uses less digits than its factorization.

202300205040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151431 (or 151422 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 202300205040 its reverse (40502003202), we get a palindrome (242802208242).

The spelling of 202300205040 in words is "two hundred two billion, three hundred million, two hundred five thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 1879 3758 5637 7516 9395 11274 15032 16911 18790 22548 28185 30064 33822 37580 45096 56370 67644 75160 84555 90192 112740 135288 149533 150320 169110 225480 270576 299066 338220 448599 450960 598132 676440 747665 897198 1196264 1345797 1352880 1495330 1794396 2242995 2392528 2691594 2990660 3588792 4485990 5383188 5981320 6728985 7177584 8971980 10766376 11962640 13457970 17943960 21532752 26915940 35887920 53831880 107663760 280972507 561945014 842917521 1123890028 1404862535 1685835042 2247780056 2528752563 2809725070 3371670084 4214587605 4495560112 5057505126 5619450140 6743340168 8429175210 10115010252 11238900280 12643762815 13486680336 16858350420 20230020504 22477800560 25287525630 33716700840 40460041008 50575051260 67433401680 101150102520 202300205040