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254134200324145 = 5129533923943493
BaseRepresentation
bin111001110010001000111010…
…101111000101000000110001
31020022210222210101001211210011
4321302020322233011000301
5231302213320240333040
62300255350115334521
7104346406252010311
oct7162107257050061
91208728711054704
10254134200324145
1173a7a7888aa8a9
1224604ab15b1441
13aba59a19424bb
1446a8237815441
151e5a9316633ea
hexe7223abc5031

254134200324145 has 8 divisors (see below), whose sum is σ = 304984584127656. Its totient is φ = 203291664433536.

The previous prime is 254134200323989. The next prime is 254134200324157. The reversal of 254134200324145 is 541423002431452.

It can be written as a sum of positive squares in 4 ways, for example, as 1978728928929 + 252155471395216 = 1406673^2 + 15879404^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254134200324145 - 225 = 254134166769713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254134200324098 and 254134200324107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1961906982 + ... + 1962036511.

It is an arithmetic number, because the mean of its divisors is an integer number (38123073015957).

Almost surely, 2254134200324145 is an apocalyptic number.

It is an amenable number.

254134200324145 is a deficient number, since it is larger than the sum of its proper divisors (50850383803511).

254134200324145 is a wasteful number, since it uses less digits than its factorization.

254134200324145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923956451.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 254134200324145 its reverse (541423002431452), we get a palindrome (795557202755597).

The spelling of 254134200324145 in words is "two hundred fifty-four trillion, one hundred thirty-four billion, two hundred million, three hundred twenty-four thousand, one hundred forty-five".

Divisors: 1 5 12953 64765 3923943493 19619717465 50826840064829 254134200324145