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12944600127 = 321438288903
BaseRepresentation
bin11000000111000111…
…01110110000111111
31020102010112211010100
430003203232300333
5203002304201002
65540251412143
7635531166654
oct140343566077
936363484110
1012944600127
115542986738
122613154053
1312b3a75804
148ab267c2b
1550b65c11c
hex3038eec3f

12944600127 has 6 divisors (see below), whose sum is σ = 18697755752. Its totient is φ = 8629733412.

The previous prime is 12944600113. The next prime is 12944600147. The reversal of 12944600127 is 72100644921.

It is a happy number.

12944600127 is a `hidden beast` number, since 1 + 2 + 9 + 44 + 600 + 1 + 2 + 7 = 666.

It is not a de Polignac number, because 12944600127 - 24 = 12944600111 is a prime.

It is a super-2 number, since 2×129446001272 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12944600091 and 12944600100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944600147) 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 5 ways as a sum of consecutive naturals, for example, 719144443 + ... + 719144460.

Almost surely, 212944600127 is an apocalyptic number.

12944600127 is a deficient number, since it is larger than the sum of its proper divisors (5753155625).

12944600127 is a wasteful number, since it uses less digits than its factorization.

12944600127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438288909 (or 1438288906 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 12944600127 in words is "twelve billion, nine hundred forty-four million, six hundred thousand, one hundred twenty-seven".

Divisors: 1 3 9 1438288903 4314866709 12944600127