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20211210110200 = 2352317318788803
BaseRepresentation
bin1001001100001110010011…
…11111111100010011111000
32122120011122222112210101211
410212013021333330103320
510122120024242011300
6110552522435452504
74154132425234624
oct446071177742370
978504588483354
1020211210110200
116492587224a1a
122325099457134
13b37ba7c145c5
144dc3290a4184
15250b1754e4ba
hex1261c9ffc4f8

20211210110200 has 48 divisors (see below), whose sum is σ = 47139300447480. Its totient is φ = 8058980914560.

The previous prime is 20211210110183. The next prime is 20211210110209. The reversal of 20211210110200 is 201101211202.

It is a super-2 number, since 2×202112101102002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211210110209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159331002 + ... + 159457801.

Almost surely, 220211210110200 is an apocalyptic number.

20211210110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211210110200 is an abundant number, since it is smaller than the sum of its proper divisors (26928090337280).

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

20211210110200 is a wasteful number, since it uses less digits than its factorization.

20211210110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318789136 (or 318789127 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20211210110200 its reverse (201101211202), we get a palindrome (20412311321402).

The spelling of 20211210110200 in words is "twenty trillion, two hundred eleven billion, two hundred ten million, one hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 317 634 1268 1585 2536 3170 6340 7925 12680 15850 31700 63400 318788803 637577606 1275155212 1593944015 2550310424 3187888030 6375776060 7969720075 12751552120 15939440150 31878880300 63757760600 101056050551 202112101102 404224202204 505280252755 808448404408 1010560505510 2021121011020 2526401263775 4042242022040 5052802527550 10105605055100 20211210110200