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205044230112 = 25310719961471
BaseRepresentation
bin1011111011110110010…
…1101010011111100000
3201121020212220010100220
42332331211222133200
511324412310330422
6234110201243040
720546121125151
oct2767545523740
9647225803326
10205044230112
1179a60138a17
12338a4a93480
1316449395b17
149cd1db7928
155501215e5c
hex2fbd96a7e0

205044230112 has 48 divisors (see below), whose sum is σ = 543271421952. Its totient is φ = 67709306240.

The previous prime is 205044230107. The next prime is 205044230123. The reversal of 205044230112 is 211032440502.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9970464 + ... + 9991007.

It is an arithmetic number, because the mean of its divisors is an integer number (11318154624).

Almost surely, 2205044230112 is an apocalyptic number.

It is an amenable number.

205044230112 is an abundant number, since it is smaller than the sum of its proper divisors (338227191840).

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

205044230112 is a wasteful number, since it uses less digits than its factorization.

205044230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19961591 (or 19961583 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 205044230112 its reverse (211032440502), we get a palindrome (416076670614).

The spelling of 205044230112 in words is "two hundred five billion, forty-four million, two hundred thirty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 107 214 321 428 642 856 1284 1712 2568 3424 5136 10272 19961471 39922942 59884413 79845884 119768826 159691768 239537652 319383536 479075304 638767072 958150608 1916301216 2135877397 4271754794 6407632191 8543509588 12815264382 17087019176 25630528764 34174038352 51261057528 68348076704 102522115056 205044230112