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12110303421 = 321345589269
BaseRepresentation
bin10110100011101010…
…01001000010111101
31011020222200011012100
423101311021002331
5144300214202141
65321405455313
7606050611026
oct132165110275
934228604170
1012110303421
115154a50227
12241b871539
1311acc75018
1482c531c4d
154ad2ad0b6
hex2d1d490bd

12110303421 has 6 divisors (see below), whose sum is σ = 17492660510. Its totient is φ = 8073535608.

The previous prime is 12110303417. The next prime is 12110303431. The reversal of 12110303421 is 12430301121.

12110303421 is a `hidden beast` number, since 1 + 211 + 0 + 30 + 3 + 421 = 666.

12110303421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11908265625 + 202037796 = 109125^2 + 14214^2 .

It is not a de Polignac number, because 12110303421 - 22 = 12110303417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110303394 and 12110303403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110303431) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 672794626 + ... + 672794643.

Almost surely, 212110303421 is an apocalyptic number.

It is an amenable number.

12110303421 is a deficient number, since it is larger than the sum of its proper divisors (5382357089).

12110303421 is a wasteful number, since it uses less digits than its factorization.

12110303421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345589275 (or 1345589272 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12110303421 its reverse (12430301121), we get a palindrome (24540604542).

The spelling of 12110303421 in words is "twelve billion, one hundred ten million, three hundred three thousand, four hundred twenty-one".

Divisors: 1 3 9 1345589269 4036767807 12110303421