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212030212230 = 23252355891247
BaseRepresentation
bin1100010101110111111…
…1000100100010000110
3202021021202020210020100
43011131333010202012
511433214213242410
6241223315144530
721214210032024
oct3053577044206
9667252223210
10212030212230
1181a15588761
12351145a5146
1316cc0801455
14a395b25714
1557ae6b18c0
hex315dfc4886

212030212230 has 24 divisors (see below), whose sum is σ = 551278552032. Its totient is φ = 56541389904.

The previous prime is 212030212187. The next prime is 212030212243. The reversal of 212030212230 is 32212030212.

212030212230 is a `hidden beast` number, since 2 + 120 + 302 + 12 + 230 = 666.

212030212230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1177945534 + ... + 1177945713.

It is an arithmetic number, because the mean of its divisors is an integer number (22969939668).

Almost surely, 2212030212230 is an apocalyptic number.

212030212230 is an abundant number, since it is smaller than the sum of its proper divisors (339248339802).

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

212030212230 is a wasteful number, since it uses less digits than its factorization.

212030212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355891260 (or 2355891257 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212030212230 its reverse (32212030212), we get a palindrome (244242242442).

The spelling of 212030212230 in words is "two hundred twelve billion, thirty million, two hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2355891247 4711782494 7067673741 11779456235 14135347482 21203021223 23558912470 35338368705 42406042446 70676737410 106015106115 212030212230