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12000123103 = 59431471907
BaseRepresentation
bin10110010110100001…
…10101100011011111
31010222022100102012211
423023100311203133
5144034012414403
65302432141251
7603242235433
oct131320654337
933868312184
1012000123103
1150a8836111
1223aa997827
1311931a8877
1481ba509c3
154a379706d
hex2cb4358df

12000123103 has 8 divisors (see below), whose sum is σ = 12231855360. Its totient is φ = 11769335640.

The previous prime is 12000122987. The next prime is 12000123131. The reversal of 12000123103 is 30132100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12000123103 - 29 = 12000122591 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 (12000123203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210525 + ... + 261382.

It is an arithmetic number, because the mean of its divisors is an integer number (1528981920).

Almost surely, 212000123103 is an apocalyptic number.

12000123103 is a deficient number, since it is larger than the sum of its proper divisors (231732257).

12000123103 is an equidigital number, since it uses as much as digits as its factorization.

12000123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472397.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12000123103 its reverse (30132100021), we get a palindrome (42132223124).

The spelling of 12000123103 in words is "twelve billion, one hundred twenty-three thousand, one hundred three".

Divisors: 1 59 431 25429 471907 27842513 203391917 12000123103