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312231491434168 = 231921278461100613
BaseRepresentation
bin100011011111110010000111…
…1001000100111011010111000
31111221112001001110222222120121
41012333210033020213122320
5311411100043301343133
63024021100023103024
7122523660266306035
oct10677441710473270
91457461043888517
10312231491434168
11905396a5069079
122b02867a8a1a74
131052b3c348c087
145716128a5438c
152616cce73402d
hex11bf90f2276b8

312231491434168 has 96 divisors (see below), whose sum is σ = 622812959055360. Its totient is φ = 146715766767360.

The previous prime is 312231491434157. The next prime is 312231491434171. The reversal of 312231491434168 is 861434194132213.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3103241430 + ... + 3103342042.

It is an arithmetic number, because the mean of its divisors is an integer number (6487634990160).

Almost surely, 2312231491434168 is an apocalyptic number.

312231491434168 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

312231491434168 is a deficient number, since it is larger than the sum of its proper divisors (310581467621192).

312231491434168 is a wasteful number, since it uses less digits than its factorization.

312231491434168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109245 (or 109222 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The spelling of 312231491434168 in words is "three hundred twelve trillion, two hundred thirty-one billion, four hundred ninety-one million, four hundred thirty-four thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 19 38 76 127 152 254 361 508 722 1016 1444 2413 2888 4826 8461 9652 16922 19304 33844 45847 67688 91694 100613 160759 183388 201226 321518 366776 402452 643036 804904 1074547 1286072 1911647 2149094 3054421 3823294 4298188 6108842 7646588 8596376 12217684 12777851 15293176 20416393 24435368 25555702 36321293 40832786 51111404 72642586 81665572 102222808 145285172 163331144 242779169 290570344 387911467 485558338 775822934 851286593 971116676 1551645868 1702573186 1942233352 3103291736 3405146372 4612804211 6810292744 9225608422 16174445267 18451216844 32348890534 36902433688 64697781068 108113397311 129395562136 216226794622 307314460073 432453589244 614628920146 864907178488 1229257840292 2054154548909 2458515680584 4108309097818 8216618195636 16433236391272 39028936429271 78057872858542 156115745717084 312231491434168