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12678670001 = 107118492243
BaseRepresentation
bin10111100111011010…
…10010011010110001
31012201121011011120102
423303231102122301
5201431214420001
65454031522145
7626121626324
oct136355223261
935647134512
1012678670001
115416862478
12255a089355
1312709462ca
14883c027bb
154e312ce6b
hex2f3b526b1

12678670001 has 4 divisors (see below), whose sum is σ = 12797162352. Its totient is φ = 12560177652.

The previous prime is 12678669929. The next prime is 12678670019. The reversal of 12678670001 is 10007687621.

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: 10007687621 = 40132493817.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12678670001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12678670201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59246015 + ... + 59246228.

It is an arithmetic number, because the mean of its divisors is an integer number (3199290588).

Almost surely, 212678670001 is an apocalyptic number.

It is an amenable number.

12678670001 is a deficient number, since it is larger than the sum of its proper divisors (118492351).

12678670001 is a wasteful number, since it uses less digits than its factorization.

12678670001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118492350.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 12678670001 in words is "twelve billion, six hundred seventy-eight million, six hundred seventy thousand, one".

Divisors: 1 107 118492243 12678670001