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12716885009 = 103123464903
BaseRepresentation
bin10111101011111110…
…00100010000010001
31012211021001200201002
423311333010100101
5202021010310014
65501514551345
7630064511333
oct136577042021
935737050632
1012716885009
115436393a24
12256aa38555
13127883653a
14888d0d453
154e667adde
hex2f5fc4411

12716885009 has 4 divisors (see below), whose sum is σ = 12840350016. Its totient is φ = 12593420004.

The previous prime is 12716884993. The next prime is 12716885029. The reversal of 12716885009 is 90058861721.

12716885009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90058861721 = 229409392569.

It is a cyclic number.

It is not a de Polignac number, because 12716885009 - 24 = 12716884993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12716885029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61732349 + ... + 61732554.

It is an arithmetic number, because the mean of its divisors is an integer number (3210087504).

Almost surely, 212716885009 is an apocalyptic number.

It is an amenable number.

12716885009 is a deficient number, since it is larger than the sum of its proper divisors (123465007).

12716885009 is a wasteful number, since it uses less digits than its factorization.

12716885009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123465006.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 12716885009 in words is "twelve billion, seven hundred sixteen million, eight hundred eighty-five thousand, nine".

Divisors: 1 103 123464903 12716885009