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211310223030330 = 23531227215293581
BaseRepresentation
bin110000000010111101111110…
…110001111111100000111010
31000201012001121202122111211220
4300002331332301333200322
5210144101314043432310
62025230324253132510
762336442212662614
oct6002757661774072
91021161552574756
10211310223030330
116136a187066556
121b84940618a136
1390ba61248aab8
143a2767dd19db4
1519669e566d670
hexc02f7ec7f83a

211310223030330 has 32 divisors (see below), whose sum is σ = 523504036412928. Its totient is φ = 54531670459200.

The previous prime is 211310223030311. The next prime is 211310223030353. The reversal of 211310223030330 is 33030322013112.

It is a self number, because there is not a number n which added to its sum of digits gives 211310223030330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113607645861 + ... + 113607647720.

It is an arithmetic number, because the mean of its divisors is an integer number (16359501137904).

Almost surely, 2211310223030330 is an apocalyptic number.

211310223030330 is an abundant number, since it is smaller than the sum of its proper divisors (312193813382598).

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

211310223030330 is a wasteful number, since it uses less digits than its factorization.

211310223030330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227215293622.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 211310223030330 its reverse (33030322013112), we get a palindrome (244340545043442).

The spelling of 211310223030330 in words is "two hundred eleven trillion, three hundred ten billion, two hundred twenty-three million, thirty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 227215293581 454430587162 681645880743 1136076467905 1363291761486 2272152935810 3408229403715 6816458807430 7043674101011 14087348202022 21131022303033 35218370505055 42262044606066 70436741010110 105655111515165 211310223030330