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12328393619 = 12547982577
BaseRepresentation
bin10110111101101010…
…00101101110010011
31011211012001021201002
423132311011232103
5200222032043434
65355200132215
7614336421353
oct133665055623
934735037632
1012328393619
115257069663
12248090706b
1312161c4389
1484d4a2b63
154c24dc57e
hex2ded45b93

12328393619 has 4 divisors (see below), whose sum is σ = 12329388744. Its totient is φ = 12327398496.

The previous prime is 12328393601. The next prime is 12328393657. The reversal of 12328393619 is 91639382321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91639382321 = 293312762397.

It is a cyclic number.

It is not a de Polignac number, because 12328393619 - 216 = 12328328083 is a prime.

It is a super-2 number, since 2×123283936192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12328393669) 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, 478742 + ... + 503835.

It is an arithmetic number, because the mean of its divisors is an integer number (3082347186).

Almost surely, 212328393619 is an apocalyptic number.

12328393619 is a deficient number, since it is larger than the sum of its proper divisors (995125).

12328393619 is an equidigital number, since it uses as much as digits as its factorization.

12328393619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995124.

The product of its digits is 419904, while the sum is 47.

The spelling of 12328393619 in words is "twelve billion, three hundred twenty-eight million, three hundred ninety-three thousand, six hundred nineteen".

Divisors: 1 12547 982577 12328393619