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13103112023 = 311973116899
BaseRepresentation
bin11000011010000000…
…11001111101010111
31020211011211001120022
430031000121331113
5203313344041043
610004113055355
7642464420531
oct141500317527
936734731508
1013103112023
115614402001
12265825755b
13130a864b31
148c432a851
1551a51d868
hex30d019f57

13103112023 has 16 divisors (see below), whose sum is σ = 13640140800. Its totient is φ = 12573674400.

The previous prime is 13103112017. The next prime is 13103112053. The reversal of 13103112023 is 32021130131.

13103112023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13103112023 - 216 = 13103046487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13103111992 and 13103112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103112053) 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 15 ways as a sum of consecutive naturals, for example, 1895828 + ... + 1902726.

It is an arithmetic number, because the mean of its divisors is an integer number (852508800).

Almost surely, 213103112023 is an apocalyptic number.

13103112023 is a deficient number, since it is larger than the sum of its proper divisors (537028777).

13103112023 is a wasteful number, since it uses less digits than its factorization.

13103112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7438.

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

Adding to 13103112023 its reverse (32021130131), we get a palindrome (45124242154).

The spelling of 13103112023 in words is "thirteen billion, one hundred three million, one hundred twelve thousand, twenty-three".

Divisors: 1 31 197 311 6107 6899 9641 61267 213869 1359103 1899277 2145589 42132193 66513259 422681033 13103112023