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312141204343020 = 22351389250521529
BaseRepresentation
bin100011011111001000000100…
…1100110101100100011101100
31111221012102000012220112102210
41012332100021212230203230
5311403110141302434040
63023511404545250420
7122514313012556043
oct10676201146544354
91457172005815383
10312141204343020
1190504383390178
122b013081933a10
1310522a3503b8a0
145711a0198355a
152614798098480
hex11be4099ac8ec

312141204343020 has 144 divisors (see below), whose sum is σ = 951920201504160. Its totient is φ = 75971444600832.

The previous prime is 312141204343013. The next prime is 312141204343021. The reversal of 312141204343020 is 20343402141213.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (312141204343021) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 19082385 + ... + 31439144.

It is an arithmetic number, because the mean of its divisors is an integer number (6610556954890).

Almost surely, 2312141204343020 is an apocalyptic number.

312141204343020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312141204343020 is an abundant number, since it is smaller than the sum of its proper divisors (639778997161140).

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

312141204343020 is a wasteful number, since it uses less digits than its factorization.

312141204343020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50521732 (or 50521641 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 312141204343020 its reverse (20343402141213), we get a palindrome (332484606484233).

The spelling of 312141204343020 in words is "three hundred twelve trillion, one hundred forty-one billion, two hundred four million, three hundred forty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 89 130 156 178 195 260 267 356 390 445 534 780 890 1068 1157 1335 1780 2314 2670 3471 4628 5340 5785 6942 7921 11570 13884 15842 17355 23140 23763 31684 34710 39605 47526 69420 79210 95052 102973 118815 158420 205946 237630 308919 411892 475260 514865 617838 1029730 1235676 1544595 2059460 3089190 6178380 50521529 101043058 151564587 202086116 252607645 303129174 505215290 606258348 656779877 757822935 1010430580 1313559754 1515645870 1970339631 2627119508 3031291740 3283899385 3940679262 4496416081 6567798770 7881358524 8992832162 9851698155 13135597540 13489248243 17985664324 19703396310 22482080405 26978496486 39406792620 44964160810 53956992972 58453409053 67446241215 89928321620 116906818106 134892482430 175360227159 233813636212 269784964860 292267045265 350720454318 400181031209 584534090530 701440908636 800362062418 876801135795 1169068181060 1200543093627 1600724124836 1753602271590 2000905156045 2401086187254 3507204543180 4001810312090 4802172374508 5202353405717 6002715468135 8003620624180 10404706811434 12005430936270 15607060217151 20809413622868 24010861872540 26011767028585 31214120434302 52023534057170 62428240868604 78035301085755 104047068114340 156070602171510 312141204343020