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212311311310 = 25752317413331
BaseRepresentation
bin1100010110111010111…
…1011000001111001110
3202022000100012002200101
43011232233120033032
511434303143430220
6241311240121314
721224162240620
oct3055657301716
9668010162611
10212311311310
118204a22264a
123519276623a
1317036b12177
14a3c11b8c10
1557c91da30a
hex316ebd83ce

212311311310 has 64 divisors (see below), whose sum is σ = 437972580864. Its totient is φ = 72589737600.

The previous prime is 212311311299. The next prime is 212311311367. The reversal of 212311311310 is 13113113212.

It is a super-2 number, since 2×2123113113102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63736345 + ... + 63739675.

It is an arithmetic number, because the mean of its divisors is an integer number (6843321576).

Almost surely, 2212311311310 is an apocalyptic number.

212311311310 is an abundant number, since it is smaller than the sum of its proper divisors (225661269554).

212311311310 is a wasteful number, since it uses less digits than its factorization.

212311311310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 212311311310 its reverse (13113113212), we get a palindrome (225424424522).

The spelling of 212311311310 in words is "two hundred twelve billion, three hundred eleven million, three hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 523 1046 1741 2615 3331 3482 3661 5230 6662 7322 8705 12187 16655 17410 18305 23317 24374 33310 36610 46634 60935 116585 121870 233170 910543 1742113 1821086 3484226 4552715 5799271 6373801 8710565 9105430 11598542 12194791 12747602 17421130 24389582 28996355 31869005 40594897 57992710 60973955 63738010 81189794 121947910 202974485 405948970 3033018733 6066037466 15165093665 21231131131 30330187330 42462262262 106155655655 212311311310