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12000023103 = 34000007701
BaseRepresentation
bin10110010110100000…
…11101001000111111
31010222022011100001010
423023100131020333
5144034001214403
65302430050303
7603241341045
oct131320351077
933868140033
1012000023103
1150a8777a72
1223aa949993
1311931721b3
1481ba26395
154a3777603
hex2cb41d23f

12000023103 has 4 divisors (see below), whose sum is σ = 16000030808. Its totient is φ = 8000015400.

The previous prime is 12000023083. The next prime is 12000023153. The reversal of 12000023103 is 30132000021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30132000021 = 310044000007.

It is not a de Polignac number, because 12000023103 - 213 = 12000014911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000023153) 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, 2000003848 + ... + 2000003853.

It is an arithmetic number, because the mean of its divisors is an integer number (4000007702).

Almost surely, 212000023103 is an apocalyptic number.

12000023103 is a deficient number, since it is larger than the sum of its proper divisors (4000007705).

12000023103 is an equidigital number, since it uses as much as digits as its factorization.

12000023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000007704.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 12000023103 its reverse (30132000021), we get a palindrome (42132023124).

The spelling of 12000023103 in words is "twelve billion, twenty-three thousand, one hundred three".

Divisors: 1 3 4000007701 12000023103