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3031020200 = 2352131165777
BaseRepresentation
bin1011010010101001…
…1011001010101000
321211020101210001102
42310222123022220
522201420121300
61220433140532
7135053150405
oct26452331250
97736353042
103031020200
111315a2837a
127070ba748
13393c559a0
1420a79d2ac
1512b1700d5
hexb4a9b2a8

3031020200 has 48 divisors (see below), whose sum is σ = 7589214780. Its totient is φ = 1119144960.

The previous prime is 3031020199. The next prime is 3031020203. The reversal of 3031020200 is 20201303.

It can be written as a sum of positive squares in 6 ways, for example, as 33895684 + 2997124516 = 5822^2 + 54746^2 .

It is not an unprimeable number, because it can be changed into a prime (3031020203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580289 + ... + 585488.

Almost surely, 23031020200 is an apocalyptic number.

It is an amenable number.

3031020200 is an abundant number, since it is smaller than the sum of its proper divisors (4558194580).

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

3031020200 is a wasteful number, since it uses less digits than its factorization.

3031020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165806 (or 1165797 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3031020200 is about 55054.7018882130. The cubic root of 3031020200 is about 1447.2035201850.

Adding to 3031020200 its reverse (20201303), we get a palindrome (3051221503).

The spelling of 3031020200 in words is "three billion, thirty-one million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 130 200 260 325 520 650 1300 2600 1165777 2331554 4663108 5828885 9326216 11657770 15155101 23315540 29144425 30310202 46631080 58288850 60620404 75775505 116577700 121240808 151551010 233155400 303102020 378877525 606204040 757755050 1515510100 3031020200