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204440203000 = 23531130760539
BaseRepresentation
bin1011111001100110010…
…1011110111011111000
3201112200210022100221101
42332121211132323320
511322143142444000
6233530223021144
720525135024155
oct2763145367370
9645623270841
10204440203000
117978018a460
123375673a7b4
13163811ba227
149c75aa322c
1554b819ee6a
hex2f9995eef8

204440203000 has 128 divisors (see below), whose sum is σ = 523588665600. Its totient is φ = 74098512000.

The previous prime is 204440202997. The next prime is 204440203001. The reversal of 204440203000 is 302044402.

204440203000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204440203001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3346731 + ... + 3407269.

It is an arithmetic number, because the mean of its divisors is an integer number (4090536450).

Almost surely, 2204440203000 is an apocalyptic number.

204440203000 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 204440203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261794332800).

204440203000 is an abundant number, since it is smaller than the sum of its proper divisors (319148462600).

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

204440203000 is a wasteful number, since it uses less digits than its factorization.

204440203000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60878 (or 60864 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 204440203000 its reverse (302044402), we get a palindrome (204742247402).

The spelling of 204440203000 in words is "two hundred four billion, four hundred forty million, two hundred three thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 307 440 500 550 614 1000 1100 1228 1375 1535 2200 2456 2750 3070 3377 5500 6140 6754 7675 11000 12280 13508 15350 16885 27016 30700 33770 38375 60539 61400 67540 76750 84425 121078 135080 153500 168850 242156 302695 307000 337700 422125 484312 605390 665929 675400 844250 1210780 1331858 1513475 1688500 2421560 2663716 3026950 3329645 3377000 5327432 6053900 6659290 7567375 12107800 13318580 15134750 16648225 18585473 26637160 30269500 33296450 37170946 60539000 66592900 74341892 83241125 92927365 133185800 148683784 166482250 185854730 204440203 332964500 371709460 408880406 464636825 665929000 743418920 817760812 929273650 1022201015 1635521624 1858547300 2044402030 2323184125 3717094600 4088804060 4646368250 5111005075 8177608120 9292736500 10222010150 18585473000 20444020300 25555025375 40888040600 51110050750 102220101500 204440203000