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205384297150 = 252192337254047
BaseRepresentation
bin1011111101000111011…
…0111010101010111110
3201122010120210022122101
42333101312322222332
511331111340002100
6234204030135314
720560420502224
oct2772166725276
9648116708571
10205384297150
117a11509935a
123397a95153a
13164a1981b16
149d2521ab14
155520edb86a
hex2fd1dbaabe

205384297150 has 96 divisors (see below), whose sum is σ = 430946703360. Its totient is φ = 72433595520.

The previous prime is 205384297133. The next prime is 205384297159. The reversal of 205384297150 is 51792483502.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 205384297150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205384297159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 681427 + ... + 935473.

It is an arithmetic number, because the mean of its divisors is an integer number (4489028160).

Almost surely, 2205384297150 is an apocalyptic number.

205384297150 is an abundant number, since it is smaller than the sum of its proper divisors (225562406210).

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

205384297150 is a wasteful number, since it uses less digits than its factorization.

205384297150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254138 (or 254133 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 205384297150 in words is "two hundred five billion, three hundred eighty-four million, two hundred ninety-seven thousand, one hundred fifty".

Divisors: 1 2 5 10 19 23 25 37 38 46 50 74 95 115 185 190 230 370 437 475 575 703 851 874 925 950 1150 1406 1702 1850 2185 3515 4255 4370 7030 8510 10925 16169 17575 21275 21850 32338 35150 42550 80845 161690 254047 404225 508094 808450 1270235 2540470 4826893 5843081 6351175 9399739 9653786 11686162 12702350 18799478 24134465 29215405 46998695 48268930 58430810 93997390 111018539 120672325 146077025 178595041 216193997 222037078 234993475 241344650 292154050 357190082 432387994 469986950 555092695 892975205 1080969985 1110185390 1785950410 2161939970 2775463475 4107685943 4464876025 5404849925 5550926950 8215371886 8929752050 10809699850 20538429715 41076859430 102692148575 205384297150