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200030323200 = 2935217306419
BaseRepresentation
bin1011101001001010111…
…1001000001000000000
3201010022110100021002220
42322102233020020000
511234130230320300
6231520452011040
720310636456561
oct2722257101000
9633273307086
10200030323200
11779179a24a4
1232925900a80
1315b2a6a82b6
149978136168
15530ae63da0
hex2e92bc8200

200030323200 has 240 divisors, whose sum is σ = 699659817120. Its totient is φ = 50203525120.

The previous prime is 200030323159. The next prime is 200030323223. The reversal of 200030323200 is 2323030002.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200030323200.

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, 499591 + ... + 806009.

It is an arithmetic number, because the mean of its divisors is an integer number (2915249238).

Almost surely, 2200030323200 is an apocalyptic number.

200030323200 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 200030323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349829908560).

200030323200 is an abundant number, since it is smaller than the sum of its proper divisors (499629493920).

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

200030323200 is a wasteful number, since it uses less digits than its factorization.

200030323200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306467 (or 306446 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 200030323200 its reverse (2323030002), we get a palindrome (202353353202).

The spelling of 200030323200 in words is "two hundred billion, thirty million, three hundred twenty-three thousand, two hundred".