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13304404123 = 25915134853
BaseRepresentation
bin11000110010000000…
…10001100010011011
31021100012120202102021
430121000101202123
5204221411412443
610040103315311
7650460366133
oct143100214233
937305522367
1013304404123
115707a9780a
1226b374bb37
13134048229a
14902d67ac3
1552d0309ed
hex31901189b

13304404123 has 4 divisors (see below), whose sum is σ = 13309541568. Its totient is φ = 13299266680.

The previous prime is 13304404081. The next prime is 13304404159. The reversal of 13304404123 is 32140440331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13304404123 - 233 = 4714469531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13304404193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564836 + ... + 2570017.

It is an arithmetic number, because the mean of its divisors is an integer number (3327385392).

Almost surely, 213304404123 is an apocalyptic number.

13304404123 is a deficient number, since it is larger than the sum of its proper divisors (5137445).

13304404123 is an equidigital number, since it uses as much as digits as its factorization.

13304404123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137444.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13304404123 its reverse (32140440331), we get a palindrome (45444844454).

The spelling of 13304404123 in words is "thirteen billion, three hundred four million, four hundred four thousand, one hundred twenty-three".

Divisors: 1 2591 5134853 13304404123