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12342357227 = 43759282053
BaseRepresentation
bin10110111111010100…
…10110110011101011
31011212011022201011202
423133222112303223
5200234120412402
65400415314415
7614566206524
oct133752266353
934764281152
1012342357227
115263a36732
12248551ba0b
131219073075
1485129984b
154c3849b02
hex2dfa96ceb

12342357227 has 4 divisors (see below), whose sum is σ = 12342683040. Its totient is φ = 12342031416.

The previous prime is 12342357199. The next prime is 12342357253. The reversal of 12342357227 is 72275324321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72275324321 = 683105820387.

It is a cyclic number.

It is not a de Polignac number, because 12342357227 - 212 = 12342353131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12342357127) 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, 97268 + ... + 184785.

It is an arithmetic number, because the mean of its divisors is an integer number (3085670760).

Almost surely, 212342357227 is an apocalyptic number.

12342357227 is a deficient number, since it is larger than the sum of its proper divisors (325813).

12342357227 is an equidigital number, since it uses as much as digits as its factorization.

12342357227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325812.

The product of its digits is 141120, while the sum is 38.

The spelling of 12342357227 in words is "twelve billion, three hundred forty-two million, three hundred fifty-seven thousand, two hundred twenty-seven".

Divisors: 1 43759 282053 12342357227