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212313330105 = 35194118169733
BaseRepresentation
bin1100010110111011011…
…1000101000110111001
3202022000110222122221120
43011232313011012321
511434304203030410
6241311351255453
721224215346412
oct3055667050671
9668013878846
10212313330105
1182050381378
123519337a589
131703736b016
14a3c1582809
1557c9488570
hex316edc51b9

212313330105 has 32 divisors (see below), whose sum is σ = 366301837440. Its totient is φ = 104657656320.

The previous prime is 212313330041. The next prime is 212313330127. The reversal of 212313330105 is 501033313212.

It is not a de Polignac number, because 212313330105 - 26 = 212313330041 is a prime.

It is a super-2 number, since 2×2123133301052 (a number of 23 digits) contains 22 as substring.

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, 9073182 + ... + 9096551.

It is an arithmetic number, because the mean of its divisors is an integer number (11446932420).

Almost surely, 2212313330105 is an apocalyptic number.

It is an amenable number.

212313330105 is a deficient number, since it is larger than the sum of its proper divisors (153988507335).

212313330105 is a wasteful number, since it uses less digits than its factorization.

212313330105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18169801.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 212313330105 its reverse (501033313212), we get a palindrome (713346643317).

The spelling of 212313330105 in words is "two hundred twelve billion, three hundred thirteen million, three hundred thirty thousand, one hundred five".

Divisors: 1 3 5 15 19 41 57 95 123 205 285 615 779 2337 3895 11685 18169733 54509199 90848665 272545995 345224927 744959053 1035674781 1726124635 2234877159 3724795265 5178373905 11174385795 14154222007 42462666021 70771110035 212313330105