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2101230231200 = 255219269513899
BaseRepresentation
bin11110100100111011000…
…101001101111010100000
321102212122100101102011022
4132210323011031322200
5233411304414344300
64245143012105012
7304544305162322
oct36447305157240
97385570342138
102101230231200
11740143760891
1229b295905168
131231b6bc1569
14739b306d612
15399d0225285
hex1e93b14dea0

2101230231200 has 144 divisors (see below), whose sum is σ = 5419692180000. Its totient is φ = 793294064640.

The previous prime is 2101230231173. The next prime is 2101230231211. The reversal of 2101230231200 is 21320321012.

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, 3831851 + ... + 4345749.

It is an arithmetic number, because the mean of its divisors is an integer number (37636751250).

Almost surely, 22101230231200 is an apocalyptic number.

2101230231200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101230231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2709846090000).

2101230231200 is an abundant number, since it is smaller than the sum of its proper divisors (3318461948800).

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

2101230231200 is a wasteful number, since it uses less digits than its factorization.

2101230231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514207 (or 514194 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2101230231200 its reverse (21320321012), we get a palindrome (2122550552212).

The spelling of 2101230231200 in words is "two trillion, one hundred one billion, two hundred thirty million, two hundred thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 152 160 190 200 269 304 380 400 475 538 608 760 800 950 1076 1345 1520 1900 2152 2690 3040 3800 4304 5111 5380 6725 7600 8608 10222 10760 13450 15200 20444 21520 25555 26900 40888 43040 51110 53800 81776 102220 107600 127775 163552 204440 215200 255550 408880 511100 513899 817760 1022200 1027798 2044400 2055596 2569495 4088800 4111192 5138990 8222384 9764081 10277980 12847475 16444768 19528162 20555960 25694950 39056324 41111920 48820405 51389900 78112648 82223840 97640810 102779800 138238831 156225296 195281620 205559600 244102025 276477662 312450592 390563240 411119200 488204050 552955324 691194155 781126480 976408100 1105910648 1382388310 1562252960 1952816200 2211821296 2626537789 2764776620 3455970775 3905632400 4423642592 5253075578 5529553240 6911941550 7811264800 10506151156 11059106480 13132688945 13823883100 21012302312 22118212960 26265377890 27647766200 42024604624 52530755780 55295532400 65663444725 84049209248 105061511560 110591064800 131326889450 210123023120 262653778900 420246046240 525307557800 1050615115600 2101230231200