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4131230243 = 7590175749
BaseRepresentation
bin1111011000111101…
…1001001000100011
3101122220122020111112
43312033121020203
531430043331433
61521534333535
7204242610020
oct36617311043
911586566445
104131230243
11182aa76478
1297365a2ab
1350ab7b14a
142b2954547
15192a48348
hexf63d9223

4131230243 has 4 divisors (see below), whose sum is σ = 4721406000. Its totient is φ = 3541054488.

The previous prime is 4131230237. The next prime is 4131230263. The reversal of 4131230243 is 3420321314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3420321314 = 21710160657.

It is a cyclic number.

It is not a de Polignac number, because 4131230243 - 26 = 4131230179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4131230263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295087868 + ... + 295087881.

It is an arithmetic number, because the mean of its divisors is an integer number (1180351500).

Almost surely, 24131230243 is an apocalyptic number.

4131230243 is a deficient number, since it is larger than the sum of its proper divisors (590175757).

4131230243 is an equidigital number, since it uses as much as digits as its factorization.

4131230243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590175756.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4131230243 is about 64274.6469690811. The cubic root of 4131230243 is about 1604.5741818002.

Adding to 4131230243 its reverse (3420321314), we get a palindrome (7551551557).

The spelling of 4131230243 in words is "four billion, one hundred thirty-one million, two hundred thirty thousand, two hundred forty-three".

Divisors: 1 7 590175749 4131230243