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368845138853 is a prime number
BaseRepresentation
bin1010101111000001110…
…00100010101110100101
31022021001110012102221122
411113200320202232211
522020343323420403
6441240051223325
735435216644022
oct5274070425645
91267043172848
10368845138853
11132476513074
125b5995a7b45
1328a21c27669
1413bd0618549
1598db6ed838
hex55e0e22ba5

368845138853 has 2 divisors, whose sum is σ = 368845138854. Its totient is φ = 368845138852.

The previous prime is 368845138819. The next prime is 368845138967. The reversal of 368845138853 is 358831548863.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291203774689 + 77641364164 = 539633^2 + 278642^2 .

It is a cyclic number.

It is not a de Polignac number, because 368845138853 - 26 = 368845138789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368845138813) 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 as a sum of consecutive naturals, namely, 184422569426 + 184422569427.

It is an arithmetic number, because the mean of its divisors is an integer number (184422569427).

Almost surely, 2368845138853 is an apocalyptic number.

It is an amenable number.

368845138853 is a deficient number, since it is larger than the sum of its proper divisors (1).

368845138853 is an equidigital number, since it uses as much as digits as its factorization.

368845138853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66355200, while the sum is 62.

The spelling of 368845138853 in words is "three hundred sixty-eight billion, eight hundred forty-five million, one hundred thirty-eight thousand, eight hundred fifty-three".