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2113231303212 = 223712480318431
BaseRepresentation
bin11110110000000110011…
…001101011001000101100
321111000121201112001000220
4132300012121223020230
5234110344203200322
64254445520451340
7305450561462421
oct36600631531054
97430551461026
102113231303212
11745241a84917
122a1684a79b50
1312437a33ccc3
14743d0c89d48
1539e83b0855c
hex1ec0666b22c

2113231303212 has 24 divisors (see below), whose sum is σ = 5000321958912. Its totient is φ = 694489160400.

The previous prime is 2113231303199. The next prime is 2113231303219. The reversal of 2113231303212 is 2123031323112.

It is not an unprimeable number, because it can be changed into a prime (2113231303219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240158364 + ... + 1240160067.

It is an arithmetic number, because the mean of its divisors is an integer number (208346748288).

Almost surely, 22113231303212 is an apocalyptic number.

It is an amenable number.

2113231303212 is an abundant number, since it is smaller than the sum of its proper divisors (2887090655700).

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

2113231303212 is a wasteful number, since it uses less digits than its factorization.

2113231303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480318509 (or 2480318507 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2113231303212 its reverse (2123031323112), we get a palindrome (4236262626324).

The spelling of 2113231303212 in words is "two trillion, one hundred thirteen billion, two hundred thirty-one million, three hundred three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 2480318431 4960636862 7440955293 9921273724 14881910586 29763821172 176102608601 352205217202 528307825803 704410434404 1056615651606 2113231303212