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211001301200 = 24524119736521
BaseRepresentation
bin1100010010000010101…
…0000101100011010000
3202011122001011200122102
43010200222011203100
511424112313114300
6240533242055532
721146544316304
oct3044052054320
9664561150572
10211001301200
1181537808668
1234a87aaa5a8
1316b885b0b61
14a2d920dd04
15574e1be0d5
hex3120a858d0

211001301200 has 120 divisors (see below), whose sum is σ = 519637662936. Its totient is φ = 82287616000.

The previous prime is 211001301169. The next prime is 211001301229. The reversal of 211001301200 is 2103100112.

211001301200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 90103229584 + 120898071616 = 300172^2 + 347704^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32353940 + ... + 32360460.

Almost surely, 2211001301200 is an apocalyptic number.

211001301200 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 211001301200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259818831468).

211001301200 is an abundant number, since it is smaller than the sum of its proper divisors (308636361736).

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

211001301200 is a wasteful number, since it uses less digits than its factorization.

211001301200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553 (or 8542 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 211001301200 its reverse (2103100112), we get a palindrome (213104401312).

The spelling of 211001301200 in words is "two hundred eleven billion, one million, three hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 41 50 80 82 100 164 200 205 328 400 410 656 820 1025 1640 1973 2050 3280 3946 4100 6521 7892 8200 9865 13042 15784 16400 19730 26084 31568 32605 39460 49325 52168 65210 78920 80893 98650 104336 130420 157840 161786 163025 197300 260840 267361 323572 326050 394600 404465 521680 534722 647144 652100 789200 808930 1069444 1294288 1304200 1336805 1617860 2022325 2138888 2608400 2673610 3235720 4044650 4277776 5347220 6471440 6684025 8089300 10694440 12865933 13368050 16178600 21388880 25731866 26736100 32357200 51463732 53472200 64329665 102927464 106944400 128659330 205854928 257318660 321648325 514637320 527503253 643296650 1029274640 1055006506 1286593300 2110013012 2573186600 2637516265 4220026024 5146373200 5275032530 8440052048 10550065060 13187581325 21100130120 26375162650 42200260240 52750325300 105500650600 211001301200