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14798843509 = 97152565397
BaseRepresentation
bin11011100100001010…
…00110111001110101
31102012100122010212011
431302011012321311
5220302000443014
610444250324221
71032505044232
oct156205067165
942170563764
1014798843509
11630461a18a
122a50129671
13151ac78548
14a05620789
155b932c7c4
hex372146e75

14798843509 has 4 divisors (see below), whose sum is σ = 14951409004. Its totient is φ = 14646278016.

The previous prime is 14798843483. The next prime is 14798843531. The reversal of 14798843509 is 90534889741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90534889741 = 181500192761.

It can be written as a sum of positive squares in 2 ways, for example, as 2759926225 + 12038917284 = 52535^2 + 109722^2 .

It is a cyclic number.

It is not a de Polignac number, because 14798843509 - 229 = 14261972597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14798843569) 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, 76282602 + ... + 76282795.

It is an arithmetic number, because the mean of its divisors is an integer number (3737852251).

Almost surely, 214798843509 is an apocalyptic number.

It is an amenable number.

14798843509 is a deficient number, since it is larger than the sum of its proper divisors (152565495).

14798843509 is an equidigital number, since it uses as much as digits as its factorization.

14798843509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152565494.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 14798843509 in words is "fourteen billion, seven hundred ninety-eight million, eight hundred forty-three thousand, five hundred nine".

Divisors: 1 97 152565397 14798843509