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123003120001 = 791891782307
BaseRepresentation
bin111001010001110001…
…1101010100110000001
3102202111022001220200011
41302203203222212001
54003402244320001
6132301251424521
711613063161206
oct1624343524601
9382438056604
10123003120001
1148190066683
121ba095b5141
13b7a3421a58
145d4c121cad
1532ed963d51
hex1ca38ea981

123003120001 has 8 divisors (see below), whose sum is σ = 124568219520. Its totient is φ = 121438223088.

The previous prime is 123003119989. The next prime is 123003120007. The reversal of 123003120001 is 100021300321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123003120001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123003120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453290 + ... + 1535596.

It is an arithmetic number, because the mean of its divisors is an integer number (15571027440).

Almost surely, 2123003120001 is an apocalyptic number.

It is an amenable number.

123003120001 is a deficient number, since it is larger than the sum of its proper divisors (1565099519).

123003120001 is an equidigital number, since it uses as much as digits as its factorization.

123003120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101303.

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

Adding to 123003120001 its reverse (100021300321), we get a palindrome (223024420322).

The spelling of 123003120001 in words is "one hundred twenty-three billion, three million, one hundred twenty thousand, one".

Divisors: 1 79 18917 82307 1494443 6502253 1557001519 123003120001