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12648618223 is a prime number
BaseRepresentation
bin10111100011110101…
…01001100011101111
31012122111121101021121
423301322221203233
5201401021240343
65451035441411
7625305323653
oct136172514357
935574541247
1012648618223
1154008a709a
12254bbb6267
1312676538a7
1487dc1ca63
154e0693aed
hex2f1ea98ef

12648618223 has 2 divisors, whose sum is σ = 12648618224. Its totient is φ = 12648618222.

The previous prime is 12648618211. The next prime is 12648618377. The reversal of 12648618223 is 32281684621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12648618223 - 213 = 12648610031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12648618223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12648618523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6324309111 + 6324309112.

It is an arithmetic number, because the mean of its divisors is an integer number (6324309112).

Almost surely, 212648618223 is an apocalyptic number.

12648618223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12648618223 is an equidigital number, since it uses as much as digits as its factorization.

12648618223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 43.

The spelling of 12648618223 in words is "twelve billion, six hundred forty-eight million, six hundred eighteen thousand, two hundred twenty-three".