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13302032123 = 18313726371
BaseRepresentation
bin11000110001101110…
…01110011011111011
31021100001010020122102
430120313032123323
5204220310011443
610035540414015
7650431256522
oct143067163373
937301106572
1013302032123
115706717686
1226b29a730b
13133cb31733
1490290b4b9
1552cc12cb8
hex318dce6fb

13302032123 has 4 divisors (see below), whose sum is σ = 13302776808. Its totient is φ = 13301287440.

The previous prime is 13302032119. The next prime is 13302032153. The reversal of 13302032123 is 32123020331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32123020331 = 42176301711.

It is a cyclic number.

It is not a de Polignac number, because 13302032123 - 22 = 13302032119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13302032095 and 13302032104.

It is not an unprimeable number, because it can be changed into a prime (13302032113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344873 + ... + 381498.

It is an arithmetic number, because the mean of its divisors is an integer number (3325694202).

Almost surely, 213302032123 is an apocalyptic number.

13302032123 is a deficient number, since it is larger than the sum of its proper divisors (744685).

13302032123 is an equidigital number, since it uses as much as digits as its factorization.

13302032123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744684.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13302032123 its reverse (32123020331), we get a palindrome (45425052454).

The spelling of 13302032123 in words is "thirteen billion, three hundred two million, thirty-two thousand, one hundred twenty-three".

Divisors: 1 18313 726371 13302032123