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212213130210 = 232517591340491
BaseRepresentation
bin1100010110100011100…
…0110110001111100010
3202021202111102222112100
43011220320312033202
511434103030131320
6241253411511230
721221560562424
oct3055070661742
9667674388470
10212213130210
1181aa9863744
12351658b8516
131701c687543
14a3b213c814
1557c0794790
hex3168e363e2

212213130210 has 48 divisors (see below), whose sum is σ = 552068225280. Its totient is φ = 56557954080.

The previous prime is 212213130179. The next prime is 212213130221. The reversal of 212213130210 is 12031312212.

212213130210 is a `hidden beast` number, since 212 + 213 + 1 + 30 + 210 = 666.

212213130210 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 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 23 ways as a sum of consecutive naturals, for example, 511936 + ... + 828555.

It is an arithmetic number, because the mean of its divisors is an integer number (11501421360).

Almost surely, 2212213130210 is an apocalyptic number.

212213130210 is an abundant number, since it is smaller than the sum of its proper divisors (339855095070).

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

212213130210 is a wasteful number, since it uses less digits than its factorization.

212213130210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342263 (or 1342260 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212213130210 its reverse (12031312212), we get a palindrome (224244442422).

The spelling of 212213130210 in words is "two hundred twelve billion, two hundred thirteen million, one hundred thirty thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1759 3518 5277 8795 10554 15831 17590 26385 31662 52770 79155 158310 1340491 2680982 4021473 6702455 8042946 12064419 13404910 20107365 24128838 40214730 60322095 120644190 2357923669 4715847338 7073771007 11789618345 14147542014 21221313021 23579236690 35368855035 42442626042 70737710070 106106565105 212213130210