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12344440117 is a prime number
BaseRepresentation
bin10110111111100100…
…10011010100110101
31011212022020112100211
423133302103110311
5200240134040432
65400532105421
7614623003222
oct133762232465
934768215324
1012344440117
115265129629
122486165271
131219622149
1485167c949
154c3b0bd47
hex2dfc93535

12344440117 has 2 divisors, whose sum is σ = 12344440118. Its totient is φ = 12344440116.

The previous prime is 12344440091. The next prime is 12344440123. The reversal of 12344440117 is 71104444321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10718253841 + 1626186276 = 103529^2 + 40326^2 .

It is a cyclic number.

It is not a de Polignac number, because 12344440117 - 223 = 12336051509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12344440417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172220058 + 6172220059.

It is an arithmetic number, because the mean of its divisors is an integer number (6172220059).

Almost surely, 212344440117 is an apocalyptic number.

It is an amenable number.

12344440117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12344440117 is an equidigital number, since it uses as much as digits as its factorization.

12344440117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 12344440117 its reverse (71104444321), we get a palindrome (83448884438).

The spelling of 12344440117 in words is "twelve billion, three hundred forty-four million, four hundred forty thousand, one hundred seventeen".