Search a number
-
+
212021302130322 = 23316931913494453
BaseRepresentation
bin110000001101010100001110…
…011001011111011010010010
31000210201001001002102111121120
4300031110032121133122102
5210242224111321132242
62030533124102103110
762442014342416326
oct6015241631373222
91023631032374546
10212021302130322
1161613802739a33
121b94319511aa96
13913c6a5058bb9
143a4dc58801986
15197a2621dc1ec
hexc0d50e65f692

212021302130322 has 32 divisors (see below), whose sum is σ = 424309464270720. Its totient is φ = 70629304711680.

The previous prime is 212021302130263. The next prime is 212021302130333. The reversal of 212021302130322 is 223031203120212.

It is a junction number, because it is equal to n+sod(n) for n = 212021302130292 and 212021302130301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58926448 + ... + 62420900.

It is an arithmetic number, because the mean of its divisors is an integer number (13259670758460).

Almost surely, 2212021302130322 is an apocalyptic number.

212021302130322 is an abundant number, since it is smaller than the sum of its proper divisors (212288162140398).

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

212021302130322 is a wasteful number, since it uses less digits than its factorization.

212021302130322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500818.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 212021302130322 its reverse (223031203120212), we get a palindrome (435052505250534).

The spelling of 212021302130322 in words is "two hundred twelve trillion, twenty-one billion, three hundred two million, one hundred thirty thousand, three hundred twenty-two".

Divisors: 1 2 3 6 3169 3191 6338 6382 9507 9573 19014 19146 3494453 6988906 10112279 10483359 20224558 20966718 30336837 60673674 11073921557 11150799523 22147843114 22301599046 33221764671 33452398569 66443529342 66904797138 35336883688387 70673767376774 106010651065161 212021302130322