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1214128827853 is a prime number
BaseRepresentation
bin10001101010101111101…
…101111010110111001101
311022001212201120221010221
4101222233231322313031
5124343013434442403
62325432454231341
7153501146520664
oct21525755726715
94261781527127
101214128827853
11428a00086627
12177381355551
138a6517c1986
1442a9ab77ddb
15218b02b9dbd
hex11aafb7adcd

1214128827853 has 2 divisors, whose sum is σ = 1214128827854. Its totient is φ = 1214128827852.

The previous prime is 1214128827851. The next prime is 1214128827893. The reversal of 1214128827853 is 3587288214121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1191562178569 + 22566649284 = 1091587^2 + 150222^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214128827853 - 21 = 1214128827851 is a prime.

Together with 1214128827851, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1214128827853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214128827851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607064413926 + 607064413927.

It is an arithmetic number, because the mean of its divisors is an integer number (607064413927).

Almost surely, 21214128827853 is an apocalyptic number.

It is an amenable number.

1214128827853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214128827853 is an equidigital number, since it uses as much as digits as its factorization.

1214128827853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1720320, while the sum is 52.

The spelling of 1214128827853 in words is "one trillion, two hundred fourteen billion, one hundred twenty-eight million, eight hundred twenty-seven thousand, eight hundred fifty-three".