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12651543214 = 214945792899
BaseRepresentation
bin10111100100001011…
…10011101010101110
31012122201002222121121
423302011303222232
5201402243340324
65451222251154
7625342225432
oct136205635256
935581088547
1012651543214
115402514742
122550b86aba
13126813905b
148803809c2
154e0a705e4
hex2f2173aae

12651543214 has 16 divisors (see below), whose sum is σ = 19146690000. Its totient is φ = 6269500224.

The previous prime is 12651543211. The next prime is 12651543217. The reversal of 12651543214 is 41234515621.

It is an interprime number because it is at equal distance from previous prime (12651543211) and next prime (12651543217).

It is a self number, because there is not a number n which added to its sum of digits gives 12651543214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12651543211) 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 7 ways as a sum of consecutive naturals, for example, 89737 + ... + 182635.

It is an arithmetic number, because the mean of its divisors is an integer number (1196668125).

Almost surely, 212651543214 is an apocalyptic number.

12651543214 is a deficient number, since it is larger than the sum of its proper divisors (6495146786).

12651543214 is a wasteful number, since it uses less digits than its factorization.

12651543214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93507.

The product of its digits is 28800, while the sum is 34.

The spelling of 12651543214 in words is "twelve billion, six hundred fifty-one million, five hundred forty-three thousand, two hundred fourteen".

Divisors: 1 2 149 298 457 914 68093 92899 136186 185798 13841951 27683902 42454843 84909686 6325771607 12651543214