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204231143000 = 23531911069273
BaseRepresentation
bin1011111000110100011…
…1111110111001011000
3201112011012221000112102
42332031013332321120
511321231133034000
6233453354102532
720520016033613
oct2761507767130
9645135830472
10204231143000
11796831795a5
12336b871aa48
1316349ab01a1
149c5600317a
1554a4b563d5
hex2f8d1fee58

204231143000 has 64 divisors (see below), whose sum is σ = 480403422720. Its totient is φ = 81264672000.

The previous prime is 204231142981. The next prime is 204231143009. The reversal of 204231143000 is 341132402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204231143009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 343637 + ... + 725636.

It is an arithmetic number, because the mean of its divisors is an integer number (7506303480).

Almost surely, 2204231143000 is an apocalyptic number.

204231143000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204231143000 is an abundant number, since it is smaller than the sum of its proper divisors (276172279720).

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

204231143000 is a wasteful number, since it uses less digits than its factorization.

204231143000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069485 (or 1069471 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 204231143000 its reverse (341132402), we get a palindrome (204572275402).

The spelling of 204231143000 in words is "two hundred four billion, two hundred thirty-one million, one hundred forty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 191 200 250 382 500 764 955 1000 1528 1910 3820 4775 7640 9550 19100 23875 38200 47750 95500 191000 1069273 2138546 4277092 5346365 8554184 10692730 21385460 26731825 42770920 53463650 106927300 133659125 204231143 213854600 267318250 408462286 534636500 816924572 1021155715 1069273000 1633849144 2042311430 4084622860 5105778575 8169245720 10211557150 20423114300 25528892875 40846228600 51057785750 102115571500 204231143000