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12443044139 is a prime number
BaseRepresentation
bin10111001011010100…
…11100100100101011
31012010011210010122122
423211222130210223
5200440404403024
65414413341455
7620231062421
oct134552344453
935104703578
1012443044139
115305857259
1224b319788b
131233b97416
148607c9111
154cc5d7d5e
hex2e5a9c92b

12443044139 has 2 divisors, whose sum is σ = 12443044140. Its totient is φ = 12443044138.

The previous prime is 12443044111. The next prime is 12443044147. The reversal of 12443044139 is 93144034421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12443044139 - 28 = 12443043883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12443044099 and 12443044108.

It is not a weakly prime, because it can be changed into another prime (12443044169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221522069 + 6221522070.

It is an arithmetic number, because the mean of its divisors is an integer number (6221522070).

Almost surely, 212443044139 is an apocalyptic number.

12443044139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12443044139 is an equidigital number, since it uses as much as digits as its factorization.

12443044139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 12443044139 in words is "twelve billion, four hundred forty-three million, forty-four thousand, one hundred thirty-nine".