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254134355340013 = 31297228105837
BaseRepresentation
bin111001110010001001000011…
…111110011010101011101101
31020022211000012011202110120121
4321302021003332122223231
5231302214124431340023
62300255413334044541
7104346413143430521
oct7162110376325355
91208730164673517
10254134355340013
1173a7a858358595
1224604b354a9751
13aba59c7aa9475
1446a8250247d81
151e5a940083d5d
hexe72243f9aaed

254134355340013 has 18 divisors (see below), whose sum is σ = 265331786452938. Its totient is φ = 243401036693760.

The previous prime is 254134355339999. The next prime is 254134355340071. The reversal of 254134355340013 is 310043553431452.

It can be written as a sum of positive squares in 3 ways, for example, as 83561299768969 + 170573055571044 = 9141187^2 + 13060362^2 .

It is not a de Polignac number, because 254134355340013 - 25 = 254134355339981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254134355340713) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5010870 + ... + 23094967.

It is an arithmetic number, because the mean of its divisors is an integer number (14740654802941).

Almost surely, 2254134355340013 is an apocalyptic number.

It is an amenable number.

254134355340013 is a deficient number, since it is larger than the sum of its proper divisors (11197431112925).

254134355340013 is an frugal number, since it uses more digits than its factorization.

254134355340013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28106093 (or 28105965 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 254134355340013 in words is "two hundred fifty-four trillion, one hundred thirty-four billion, three hundred fifty-five million, three hundred forty thousand, thirteen".

Divisors: 1 31 97 961 3007 9409 93217 291679 9042049 28105837 871280947 2726266189 27009709357 84514251859 264447820333 2619941807629 8197882430323 254134355340013