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243145203032235 = 357191511757310651
BaseRepresentation
bin110111010010001110100111…
…011101001010000010101011
31011212220110021020221122111210
4313102032213131022002223
5223332142333434012420
62221043210402124203
7102133442540136060
oct6722164735120253
91155813236848453
10243145203032235
1170523335369379
122332b204650663
13a589656b8360a
14440840d656c67
151d19b70dd09e0
hexdd23a774a0ab

243145203032235 has 128 divisors (see below), whose sum is σ = 468424362147840. Its totient is φ = 105208517952000.

The previous prime is 243145203032219. The next prime is 243145203032257. The reversal of 243145203032235 is 532230302541342.

It is not a de Polignac number, because 243145203032235 - 24 = 243145203032219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243145203032193 and 243145203032202.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22828386660 + ... + 22828397310.

It is an arithmetic number, because the mean of its divisors is an integer number (3659565329280).

Almost surely, 2243145203032235 is an apocalyptic number.

243145203032235 is a deficient number, since it is larger than the sum of its proper divisors (225279159115605).

243145203032235 is a wasteful number, since it uses less digits than its factorization.

243145203032235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19769.

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 243145203032235 its reverse (532230302541342), we get a palindrome (775375505573577).

The spelling of 243145203032235 in words is "two hundred forty-three trillion, one hundred forty-five billion, two hundred three million, thirty-two thousand, two hundred thirty-five".

Divisors: 1 3 5 7 15 19 21 35 57 95 105 133 285 399 665 1511 1995 4533 7555 7573 10577 10651 22665 22719 28709 31731 31953 37865 52885 53011 53255 74557 86127 113595 143545 143887 158655 159033 159765 200963 202369 223671 265055 372785 430635 431661 602889 607107 719435 795165 1004815 1007209 1011845 1118355 1416583 2158305 3014445 3021627 3035535 4249749 5036045 7082915 11442803 15108135 16093661 21248745 34328409 48280983 57214015 80099621 80468305 80660023 112655627 171642045 217413257 240298863 241404915 241980069 305779559 337966881 400498105 403300115 563278135 564620161 652239771 917338677 1087066285 1201494315 1209900345 1521892799 1528897795 1532540437 1689834405 1693860483 2140456913 2823100805 3261198855 4565678397 4586693385 4597621311 6421370739 7609463995 7662702185 8469302415 10702284565 10727783059 22828391985 22988106555 32106853695 32183349177 53638915295 121877294753 160916745885 365631884259 609386473765 853141063271 1828159421295 2315668600307 2559423189813 4265705316355 6947005800921 11578343001535 12797115949065 16209680202149 34735029004605 48629040606447 81048401010745 243145203032235