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12443089343 = 19996224657
BaseRepresentation
bin10111001011010101…
…00111100110111111
31012010011212102122212
423211222213212333
5200440412324333
65414414331035
7620231341256
oct134552474677
935104772585
1012443089343
115305888213
1224b31b9a7b
131233bb1b79
148607db79d
154cc5e6448
hex2e5aa79bf

12443089343 has 4 divisors (see below), whose sum is σ = 12449316000. Its totient is φ = 12436862688.

The previous prime is 12443089301. The next prime is 12443089409. The reversal of 12443089343 is 34398034421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12443089343 - 26 = 12443089279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12443089343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443089543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3110330 + ... + 3114327.

It is an arithmetic number, because the mean of its divisors is an integer number (3112329000).

Almost surely, 212443089343 is an apocalyptic number.

12443089343 is a deficient number, since it is larger than the sum of its proper divisors (6226657).

12443089343 is an equidigital number, since it uses as much as digits as its factorization.

12443089343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226656.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 12443089343 in words is "twelve billion, four hundred forty-three million, eighty-nine thousand, three hundred forty-three".

Divisors: 1 1999 6224657 12443089343