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12558783043 is a prime number
BaseRepresentation
bin10111011001000111…
…11101001001000011
31012102020120021120201
423230203331021003
5201210022024133
65434110150031
7623134615552
oct135443751103
935366507521
1012558783043
115365118644
122525ab2317
131251b5b991
14871d15d99
154d784ad7d
hex2ec8fd243

12558783043 has 2 divisors, whose sum is σ = 12558783044. Its totient is φ = 12558783042.

The previous prime is 12558783019. The next prime is 12558783047. The reversal of 12558783043 is 34038785521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12558783043 is a prime.

It is a super-2 number, since 2×125587830432 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12558782984 and 12558783002.

It is not a weakly prime, because it can be changed into another prime (12558783047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6279391521 + 6279391522.

It is an arithmetic number, because the mean of its divisors is an integer number (6279391522).

Almost surely, 212558783043 is an apocalyptic number.

12558783043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12558783043 is an equidigital number, since it uses as much as digits as its factorization.

12558783043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 12558783043 in words is "twelve billion, five hundred fifty-eight million, seven hundred eighty-three thousand, forty-three".