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204642730224 = 24321421130071
BaseRepresentation
bin1011111010010110101…
…0000100000011110000
3201120012220101211001200
42332211222010003300
511323102014331344
6234002255531200
720533144335432
oct2764552040360
9646186354050
10204642730224
1179874539129
12337b2529b00
13163b414a91a
149c94942652
1554cad58069
hex2fa5a840f0

204642730224 has 30 divisors (see below), whose sum is σ = 572715419016. Its totient is φ = 68214243360.

The previous prime is 204642730199. The next prime is 204642730283. The reversal of 204642730224 is 422037246402.

204642730224 is a `hidden beast` number, since 2 + 0 + 4 + 6 + 427 + 3 + 0 + 224 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 710564892 + ... + 710565179.

Almost surely, 2204642730224 is an apocalyptic number.

204642730224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204642730224 is an abundant number, since it is smaller than the sum of its proper divisors (368072688792).

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

204642730224 is a wasteful number, since it uses less digits than its factorization.

204642730224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421130085 (or 1421130076 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 36.

Adding to 204642730224 its reverse (422037246402), we get a palindrome (626679976626).

The spelling of 204642730224 in words is "two hundred four billion, six hundred forty-two million, seven hundred thirty thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1421130071 2842260142 4263390213 5684520284 8526780426 11369040568 12790170639 17053560852 22738081136 25580341278 34107121704 51160682556 68214243408 102321365112 204642730224