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12430442026 = 253119398297
BaseRepresentation
bin10111001001110100…
…10111111000101010
31012002022001212210201
423210322113320222
5200424143121101
65413243302414
7620016004522
oct134472277052
935068055721
1012430442026
1152a972a092
1224aab1aa0a
1312313a4352
1485cc68682
154cb448e01
hex2e4e97e2a

12430442026 has 16 divisors (see below), whose sum is σ = 19013585544. Its totient is φ = 6092779264.

The previous prime is 12430441987. The next prime is 12430442051. The reversal of 12430442026 is 62024403421.

It can be written as a sum of positive squares in 4 ways, for example, as 9633618801 + 2796823225 = 98151^2 + 52885^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12430441985 and 12430442003.

It is an unprimeable number.

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, 77310 + ... + 175606.

Almost surely, 212430442026 is an apocalyptic number.

12430442026 is a deficient number, since it is larger than the sum of its proper divisors (6583143518).

12430442026 is a wasteful number, since it uses less digits than its factorization.

12430442026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99545.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12430442026 its reverse (62024403421), we get a palindrome (74454845447).

The spelling of 12430442026 in words is "twelve billion, four hundred thirty million, four hundred forty-two thousand, twenty-six".

Divisors: 1 2 53 106 1193 2386 63229 98297 126458 196594 5209741 10419482 117268321 234536642 6215221013 12430442026