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13004230143 = 34334743381
BaseRepresentation
bin11000001110001110…
…01100110111111111
31020120021202100010110
430013013030313333
5203113040331033
65550221441103
7640154063262
oct140707146777
936507670113
1013004230143
115573604643
12262b110193
1312c3223248
148b514acd9
155119da363
hex3071ccdff

13004230143 has 4 divisors (see below), whose sum is σ = 17338973528. Its totient is φ = 8669486760.

The previous prime is 13004230133. The next prime is 13004230159. The reversal of 13004230143 is 34103240031.

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

It is not a de Polignac number, because 13004230143 - 226 = 12937121279 is a prime.

It is a super-2 number, since 2×130042301432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13004230133) 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, 2167371688 + ... + 2167371693.

It is an arithmetic number, because the mean of its divisors is an integer number (4334743382).

Almost surely, 213004230143 is an apocalyptic number.

13004230143 is a deficient number, since it is larger than the sum of its proper divisors (4334743385).

13004230143 is an equidigital number, since it uses as much as digits as its factorization.

13004230143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334743384.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13004230143 its reverse (34103240031), we get a palindrome (47107470174).

The spelling of 13004230143 in words is "thirteen billion, four million, two hundred thirty thousand, one hundred forty-three".

Divisors: 1 3 4334743381 13004230143