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212311233230 = 2570921299363
BaseRepresentation
bin1100010110111010111…
…1000101001011001110
3202022000100001010120112
43011232233011023032
511434303133430410
6241311234320022
721224161464155
oct3055657051316
9668010033515
10212311233230
118204a179a18
1235192729012
1317036ab5775
14a3c119859c
1557c91c2105
hex316ebc52ce

212311233230 has 16 divisors (see below), whose sum is σ = 382166884944. Its totient is φ = 84923012160.

The previous prime is 212311233217. The next prime is 212311233269. The reversal of 212311233230 is 32332113212.

It is a junction number, because it is equal to n+sod(n) for n = 212311233196 and 212311233205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559529 + ... + 858891.

It is an arithmetic number, because the mean of its divisors is an integer number (23885430309).

Almost surely, 2212311233230 is an apocalyptic number.

212311233230 is a deficient number, since it is larger than the sum of its proper divisors (169855651714).

212311233230 is a wasteful number, since it uses less digits than its factorization.

212311233230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370291.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212311233230 its reverse (32332113212), we get a palindrome (244643346442).

The spelling of 212311233230 in words is "two hundred twelve billion, three hundred eleven million, two hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 70921 141842 299363 354605 598726 709210 1496815 2993630 21231123323 42462246646 106155616615 212311233230