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1354120127869 is a prime number
BaseRepresentation
bin10011101101000111110…
…110010110010101111101
311210110012221220210202111
4103231013312112111331
5134141214223042434
62514024005454021
7166555234113625
oct23550766262575
94713187823674
101354120127869
114823085682a3
1219a530111311
139a901628a42
144977b17d885
152535536d964
hex13b47d9657d

1354120127869 has 2 divisors, whose sum is σ = 1354120127870. Its totient is φ = 1354120127868.

The previous prime is 1354120127863. The next prime is 1354120127903. The reversal of 1354120127869 is 9687210214531.

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., 1317474682969 + 36645444900 = 1147813^2 + 191430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354120127869 - 25 = 1354120127837 is a prime.

It is a super-2 number, since 2×13541201278692 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354120127863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677060063934 + 677060063935.

It is an arithmetic number, because the mean of its divisors is an integer number (677060063935).

It is a 1-persistent number, because it is pandigital, but 2⋅1354120127869 = 2708240255738 is not.

Almost surely, 21354120127869 is an apocalyptic number.

It is an amenable number.

1354120127869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354120127869 is an equidigital number, since it uses as much as digits as its factorization.

1354120127869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 1354120127869 in words is "one trillion, three hundred fifty-four billion, one hundred twenty million, one hundred twenty-seven thousand, eight hundred sixty-nine".