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212200313310 = 23252357781259
BaseRepresentation
bin1100010110100000011…
…1111101000111011110
3202021201121022211001100
43011220013331013132
511434041240011220
6241252233053530
721221343621366
oct3055007750736
9667647284040
10212200313310
1181aa25aa167
12351615572a6
1317019b1a78b
14a3b05639a6
1557be5b1d90
hex31681fd1de

212200313310 has 24 divisors (see below), whose sum is σ = 551720814840. Its totient is φ = 56586750192.

The previous prime is 212200313293. The next prime is 212200313383. The reversal of 212200313310 is 13313002212.

212200313310 is a `hidden beast` number, since 21 + 2 + 20 + 0 + 313 + 310 = 666.

212200313310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2122003133102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 1178890540 + ... + 1178890719.

It is an arithmetic number, because the mean of its divisors is an integer number (22988367285).

Almost surely, 2212200313310 is an apocalyptic number.

212200313310 is an abundant number, since it is smaller than the sum of its proper divisors (339520501530).

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

212200313310 is a wasteful number, since it uses less digits than its factorization.

212200313310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357781272 (or 2357781269 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212200313310 its reverse (13313002212), we get a palindrome (225513315522).

The spelling of 212200313310 in words is "two hundred twelve billion, two hundred million, three hundred thirteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2357781259 4715562518 7073343777 11788906295 14146687554 21220031331 23577812590 35366718885 42440062662 70733437770 106100156655 212200313310