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12344413243 = 38893174187
BaseRepresentation
bin10110111111100100…
…01100110000111011
31011212022012011111111
423133302030300323
5200240132210433
65400531341151
7614622531661
oct133762146073
934768164444
1012344413243
115265110418
1224861517b7
131219612b46
14851672c31
154c3b03dcd
hex2dfc8cc3b

12344413243 has 4 divisors (see below), whose sum is σ = 12347591320. Its totient is φ = 12341235168.

The previous prime is 12344413241. The next prime is 12344413247. The reversal of 12344413243 is 34231444321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34231444321 = 320310687307.

It is a cyclic number.

It is not a de Polignac number, because 12344413243 - 21 = 12344413241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12344413241) 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, 1583205 + ... + 1590982.

It is an arithmetic number, because the mean of its divisors is an integer number (3086897830).

Almost surely, 212344413243 is an apocalyptic number.

12344413243 is a deficient number, since it is larger than the sum of its proper divisors (3178077).

12344413243 is an equidigital number, since it uses as much as digits as its factorization.

12344413243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178076.

The product of its digits is 27648, while the sum is 31.

Adding to 12344413243 its reverse (34231444321), we get a palindrome (46575857564).

The spelling of 12344413243 in words is "twelve billion, three hundred forty-four million, four hundred thirteen thousand, two hundred forty-three".

Divisors: 1 3889 3174187 12344413243