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9112123243 is a prime number
BaseRepresentation
bin10000111110001111…
…11111011101101011
3212112001001211012001
420133013333131223
5122130200420433
64104104231431
7441543524656
oct103707773553
925461054161
109112123243
113956613073
12192376b577
13b22a79c02
1462628089d
15384e7857d
hex21f1ff76b

9112123243 has 2 divisors, whose sum is σ = 9112123244. Its totient is φ = 9112123242.

The previous prime is 9112123219. The next prime is 9112123259. The reversal of 9112123243 is 3423212119.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3423212119) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9112123243 - 221 = 9110026091 is a prime.

It is not a weakly prime, because it can be changed into another prime (9112121243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4556061621 + 4556061622.

It is an arithmetic number, because the mean of its divisors is an integer number (4556061622).

Almost surely, 29112123243 is an apocalyptic number.

9112123243 is a deficient number, since it is larger than the sum of its proper divisors (1).

9112123243 is an equidigital number, since it uses as much as digits as its factorization.

9112123243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 9112123243 is about 95457.4420514189. The cubic root of 9112123243 is about 2088.6861887029.

It can be divided in two parts, 9112 and 123243, that added together give a triangular number (132355 = T514).

The spelling of 9112123243 in words is "nine billion, one hundred twelve million, one hundred twenty-three thousand, two hundred forty-three".