Search a number
-
+
204240503250 = 232537171077129
BaseRepresentation
bin1011111000110110101…
…1101100000111010010
3201112011212112120101100
42332031223230013102
511321241032101000
6233454330445230
720520161430150
oct2761553540722
9645155476340
10204240503250
1179688492043
12336bb893816
131634ba097b4
149c5735c3d0
1554a58a4a00
hex2f8daec1d2

204240503250 has 384 divisors, whose sum is σ = 674628963840. Its totient is φ = 43520716800.

The previous prime is 204240503227. The next prime is 204240503251. The reversal of 204240503250 is 52305042402.

It is a happy number.

204240503250 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 405 + 0 + 3 + 250 = 666.

It is not an unprimeable number, because it can be changed into a prime (204240503251) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 28645686 + ... + 28652814.

It is an arithmetic number, because the mean of its divisors is an integer number (1756846260).

Almost surely, 2204240503250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204240503250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337314481920).

204240503250 is an abundant number, since it is smaller than the sum of its proper divisors (470388460590).

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

204240503250 is a wasteful number, since it uses less digits than its factorization.

204240503250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283 (or 7270 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 204240503250 its reverse (52305042402), we get a palindrome (256545545652).

The spelling of 204240503250 in words is "two hundred four billion, two hundred forty million, five hundred three thousand, two hundred fifty".