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212423232130 = 25195071088959
BaseRepresentation
bin1100010111010101101…
…0010100101010000010
3202022022010210021011221
43011311122110222002
511440020321412010
6241330315025254
721230021452444
oct3056532245202
9668263707157
10212423232130
11820a741639a
123520413b22a
131705406a8c5
14a3d1dd0494
1557d3e46dda
hex3175694a82

212423232130 has 16 divisors (see below), whose sum is σ = 382381770240. Its totient is φ = 84964858992.

The previous prime is 212423232127. The next prime is 212423232149. The reversal of 212423232130 is 31232324212.

It is a junction number, because it is equal to n+sod(n) for n = 212423232095 and 212423232104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349410 + ... + 739549.

It is an arithmetic number, because the mean of its divisors is an integer number (23898860640).

Almost surely, 2212423232130 is an apocalyptic number.

212423232130 is a deficient number, since it is larger than the sum of its proper divisors (169958538110).

212423232130 is a wasteful number, since it uses less digits than its factorization.

212423232130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108473.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 212423232130 its reverse (31232324212), we get a palindrome (243655556342).

The spelling of 212423232130 in words is "two hundred twelve billion, four hundred twenty-three million, two hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 19507 39014 97535 195070 1088959 2177918 5444795 10889590 21242323213 42484646426 106211616065 212423232130