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212413235244 = 223719731281667
BaseRepresentation
bin1100010111010011010…
…0001100000000101100
3202022021102222101000220
43011310310030000230
511440010242011434
6241325320451340
721226540465140
oct3056464140054
9668242871026
10212413235244
11820a1808601
1235200919b50
1317051c7a5a2
14a3d094b220
1557d311ed49
hex3174d0c02c

212413235244 has 48 divisors (see below), whose sum is σ = 566722829568. Its totient is φ = 60658688448.

The previous prime is 212413235143. The next prime is 212413235269. The reversal of 212413235244 is 442532314212.

It is a happy number.

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, 475102 + ... + 806565.

It is an arithmetic number, because the mean of its divisors is an integer number (11806725616).

Almost surely, 2212413235244 is an apocalyptic number.

It is an amenable number.

212413235244 is an abundant number, since it is smaller than the sum of its proper divisors (354309594324).

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

212413235244 is a wasteful number, since it uses less digits than its factorization.

212413235244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283654 (or 1283652 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

Adding to 212413235244 its reverse (442532314212), we get a palindrome (654945549456).

The spelling of 212413235244 in words is "two hundred twelve billion, four hundred thirteen million, two hundred thirty-five thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1973 3946 5919 7892 11838 13811 23676 27622 41433 55244 82866 165732 1281667 2563334 3845001 5126668 7690002 8971669 15380004 17943338 26915007 35886676 53830014 107660028 2528728991 5057457982 7586186973 10114915964 15172373946 17701102937 30344747892 35402205874 53103308811 70804411748 106206617622 212413235244