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204003310240 = 2551775001217
BaseRepresentation
bin1011110111111110001…
…0110111101010100000
3201111120100012220202001
42331333202313222200
511320244321411430
6233415014533344
720511251345302
oct2757742675240
9644510186661
10204003310240
1179576606464
1233654367254
131631182c4c2
149c33a57972
15548eb503ca
hex2f7f8b7aa0

204003310240 has 48 divisors (see below), whose sum is σ = 510308287272. Its totient is φ = 76801245184.

The previous prime is 204003310237. The next prime is 204003310271. The reversal of 204003310240 is 42013300402.

It can be written as a sum of positive squares in 4 ways, for example, as 146189993104 + 57813317136 = 382348^2 + 240444^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37497889 + ... + 37503328.

Almost surely, 2204003310240 is an apocalyptic number.

204003310240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204003310240 is an abundant number, since it is smaller than the sum of its proper divisors (306304977032).

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

204003310240 is a wasteful number, since it uses less digits than its factorization.

204003310240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75001249 (or 75001241 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 204003310240 its reverse (42013300402), we get a palindrome (246016610642).

The spelling of 204003310240 in words is "two hundred four billion, three million, three hundred ten thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 2720 75001217 150002434 300004868 375006085 600009736 750012170 1200019472 1275020689 1500024340 2400038944 2550041378 3000048680 5100082756 6000097360 6375103445 10200165512 12000194720 12750206890 20400331024 25500413780 40800662048 51000827560 102001655120 204003310240