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213223121200 = 24523117195413
BaseRepresentation
bin1100011010010100010…
…1101010000100110000
3202101100212220211201001
43012211011222010300
511443140104334300
6241541531251344
721255603424525
oct3064505520460
9671325824631
10213223121200
1182477990941
12353a7ba9b54
13171509b214b
14a46a32b14c
15582e29b16a
hex31a516a130

213223121200 has 60 divisors (see below), whose sum is σ = 528793371328. Its totient is φ = 82537977600.

The previous prime is 213223121173. The next prime is 213223121261. The reversal of 213223121200 is 2121322312.

213223121200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8585307 + ... + 8610106.

Almost surely, 2213223121200 is an apocalyptic number.

213223121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213223121200 is an abundant number, since it is smaller than the sum of its proper divisors (315570250128).

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

213223121200 is a wasteful number, since it uses less digits than its factorization.

213223121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17195462 (or 17195451 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213223121200 its reverse (2121322312), we get a palindrome (215344443512).

The spelling of 213223121200 in words is "two hundred thirteen billion, two hundred twenty-three million, one hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 40 50 62 80 100 124 155 200 248 310 400 496 620 775 1240 1550 2480 3100 6200 12400 17195413 34390826 68781652 85977065 137563304 171954130 275126608 343908260 429885325 533057803 687816520 859770650 1066115606 1375633040 1719541300 2132231212 2665289015 3439082600 4264462424 5330578030 6878165200 8528924848 10661156060 13326445075 21322312120 26652890150 42644624240 53305780300 106611560600 213223121200