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2021220102000 = 243531130624547
BaseRepresentation
bin11101011010011010000…
…110110010111101110000
321011020010022012201111210
4131122122012302331300
5231103424321231000
64144311413240120
7266012501252451
oct35323206627560
97136108181453
102021220102000
1170a216066570
12287886633040
131187a5951148
146db82c19128
153789ae05350
hex1d69a1b2f70

2021220102000 has 160 divisors (see below), whose sum is σ = 7108815078144. Its totient is φ = 489992736000.

The previous prime is 2021220101977. The next prime is 2021220102047. The reversal of 2021220102000 is 2010221202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15246274 + ... + 15378273.

Almost surely, 22021220102000 is an apocalyptic number.

2021220102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021220102000 is an abundant number, since it is smaller than the sum of its proper divisors (5087594976144).

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

2021220102000 is a wasteful number, since it uses less digits than its factorization.

2021220102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30624584 (or 30624568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2021220102000 its reverse (2010221202), we get a palindrome (2023230323202).

The spelling of 2021220102000 in words is "two trillion, twenty-one billion, two hundred twenty million, one hundred two thousand".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 33 40 44 48 50 55 60 66 75 80 88 100 110 120 125 132 150 165 176 200 220 240 250 264 275 300 330 375 400 440 500 528 550 600 660 750 825 880 1000 1100 1200 1320 1375 1500 1650 2000 2200 2640 2750 3000 3300 4125 4400 5500 6000 6600 8250 11000 13200 16500 22000 33000 66000 30624547 61249094 91873641 122498188 153122735 183747282 244996376 306245470 336870017 367494564 459368205 489992752 612490940 673740034 734989128 765613675 918736410 1010610051 1224981880 1347480068 1469978256 1531227350 1684350085 1837472820 2021220102 2296841025 2449963760 2694960136 3062454700 3368700170 3674945640 3828068375 4042440204 4593682050 5053050255 5389920272 6124909400 6737400340 7349891280 7656136750 8084880408 8421750425 9187364100 10106100510 11484205125 12249818800 13474800680 15312273500 16169760816 16843500850 18374728200 20212201020 22968410250 25265251275 26949601360 30624547000 33687001700 36749456400 40424402040 42108752125 45936820500 50530502550 61249094000 67374003400 80848804080 84217504250 91873641000 101061005100 126326256375 134748006800 168435008500 183747282000 202122010200 252652512750 336870017000 404244020400 505305025500 673740034000 1010610051000 2021220102000