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212310404200 = 23521955871159
BaseRepresentation
bin1100010110111010101…
…1111010110001101000
3202022000021111000100201
43011232223322301220
511434302430413300
6241311204441544
721224151442156
oct3055653726150
9668007430321
10212310404200
1182049763074
12351923a92b4
131703688530b
14a3c10203d6
1557c90ab66a
hex316eafac68

212310404200 has 48 divisors (see below), whose sum is σ = 519601788000. Its totient is φ = 80454467520.

The previous prime is 212310404161. The next prime is 212310404231. The reversal of 212310404200 is 2404013212.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 27931780 + ... + 27939379.

It is an arithmetic number, because the mean of its divisors is an integer number (10825037250).

Almost surely, 2212310404200 is an apocalyptic number.

212310404200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212310404200 is an abundant number, since it is smaller than the sum of its proper divisors (307291383800).

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

212310404200 is a wasteful number, since it uses less digits than its factorization.

212310404200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55871194 (or 55871185 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212310404200 its reverse (2404013212), we get a palindrome (214714417412).

The spelling of 212310404200 in words is "two hundred twelve billion, three hundred ten million, four hundred four thousand, two hundred".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 152 190 200 380 475 760 950 1900 3800 55871159 111742318 223484636 279355795 446969272 558711590 1061552021 1117423180 1396778975 2123104042 2234846360 2793557950 4246208084 5307760105 5587115900 8492416168 10615520210 11174231800 21231040420 26538800525 42462080840 53077601050 106155202100 212310404200