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204240230143488 = 29327611291181
BaseRepresentation
bin101110011100000101100010…
…010111011101011000000000
3222210011011201210201111000100
4232130011202113131120000
5203232232442404042423
62002214355541122400
761006604205000000
oct5634054227353000
9883134653644010
10204240230143488
115a093882425390
121aaa715b9b9400
1389c6a040386c6
1438613cc000000
151892b552b6343
hexb9c1625dd600

204240230143488 has 1680 divisors, whose sum is σ = 776736056313360. Its totient is φ = 51176750284800.

The previous prime is 204240230143483. The next prime is 204240230143489. The reversal of 204240230143488 is 884341032042402.

204240230143488 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 4 + 0 + 23 + 0 + 143 + 488 = 666.

It is a super-2 number, since 2×2042402301434882 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204240230143483) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 172938382258 + ... + 172938383438.

Almost surely, 2204240230143488 is an apocalyptic number.

204240230143488 is a gapful number since it is divisible by the number (28) 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 204240230143488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388368028156680).

204240230143488 is an abundant number, since it is smaller than the sum of its proper divisors (572495826169872).

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

204240230143488 is an frugal number, since it uses more digits than its factorization.

204240230143488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 45.

The spelling of 204240230143488 in words is "two hundred four trillion, two hundred forty billion, two hundred thirty million, one hundred forty-three thousand, four hundred eighty-eight".