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1210764223 is a prime number
BaseRepresentation
bin100100000101010…
…1100101110111111
310010101021012021101
41020022230232333
54434423423343
6320050513531
742001216564
oct11012545677
93111235241
101210764223
11571499099
122995958a7
13163ac2b46
14b6b3286b
1571464e4d
hex482acbbf

1210764223 has 2 divisors, whose sum is σ = 1210764224. Its totient is φ = 1210764222.

The previous prime is 1210764221. The next prime is 1210764251. The reversal of 1210764223 is 3224670121.

It is an a-pointer prime, because the next prime (1210764251) can be obtained adding 1210764223 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (3224670121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210764223 - 21 = 1210764221 is a prime.

Together with 1210764221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1210764191 and 1210764200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210764221) 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 as a sum of consecutive naturals, namely, 605382111 + 605382112.

It is an arithmetic number, because the mean of its divisors is an integer number (605382112).

Almost surely, 21210764223 is an apocalyptic number.

1210764223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210764223 is an equidigital number, since it uses as much as digits as its factorization.

1210764223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1210764223 is about 34796.0374611823. The cubic root of 1210764223 is about 1065.8265305274.

The spelling of 1210764223 in words is "one billion, two hundred ten million, seven hundred sixty-four thousand, two hundred twenty-three".