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13123444342 = 27877833023
BaseRepresentation
bin11000011100011011…
…11101111001110110
31020212121002001021011
430032031331321312
5203334100204332
610010120542434
7643132302451
oct141615757166
936777061234
1013123444342
115624929a78
122663021a1a
131311b335a8
148c6d00498
1551c1d7e47
hex30e37de76

13123444342 has 8 divisors (see below), whose sum is σ = 19687689216. Its totient is φ = 6560881272.

The previous prime is 13123444319. The next prime is 13123444361. The reversal of 13123444342 is 24344432131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400758 + ... + 432265.

It is an arithmetic number, because the mean of its divisors is an integer number (2460961152).

Almost surely, 213123444342 is an apocalyptic number.

13123444342 is a deficient number, since it is larger than the sum of its proper divisors (6564244874).

13123444342 is an equidigital number, since it uses as much as digits as its factorization.

13123444342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840902.

The product of its digits is 27648, while the sum is 31.

Adding to 13123444342 its reverse (24344432131), we get a palindrome (37467876473).

The spelling of 13123444342 in words is "thirteen billion, one hundred twenty-three million, four hundred forty-four thousand, three hundred forty-two".

Divisors: 1 2 7877 15754 833023 1666046 6561722171 13123444342