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13123101203 = 191149160107
BaseRepresentation
bin11000011100011001…
…01010001000010011
31020212120102121120022
430032030222020103
5203334003214303
610010105334055
7643126343162
oct141614521023
936776377508
1013123101203
115624715193
122662a9732b
131311a43354
148c6c513d9
1551c16b438
hex30e32a213

13123101203 has 8 divisors (see below), whose sum is σ = 13815222720. Its totient is φ = 12431122920.

The previous prime is 13123101151. The next prime is 13123101289. The reversal of 13123101203 is 30210132131.

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-13123101203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123101293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188276 + ... + 248382.

It is an arithmetic number, because the mean of its divisors is an integer number (1726902840).

Almost surely, 213123101203 is an apocalyptic number.

13123101203 is a deficient number, since it is larger than the sum of its proper divisors (692121517).

13123101203 is a wasteful number, since it uses less digits than its factorization.

13123101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71617.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13123101203 its reverse (30210132131), we get a palindrome (43333233334).

The spelling of 13123101203 in words is "thirteen billion, one hundred twenty-three million, one hundred one thousand, two hundred three".

Divisors: 1 19 11491 60107 218329 1142033 690689537 13123101203