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512254412212241 = 1730132612483073
BaseRepresentation
bin111010001111001001000011…
…0010001100100100000010001
32111011202001011202010012200102
41310132102012101210200101
51014120234014011242431
65013250232300302145
7212620105604210456
oct16436220621444021
92434661152105612
10512254412212241
11139246970281216
1249552406241955
1318caa4cb28cc1a
14906d36282382d
153e34da5b84dcb
hex1d1e486464811

512254412212241 has 4 divisors (see below), whose sum is σ = 542387024695332. Its totient is φ = 482121799729152.

The previous prime is 512254412212211. The next prime is 512254412212261. The reversal of 512254412212241 is 142212214452215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135995130273025 + 376259281939216 = 11661695^2 + 19397404^2 .

It is a cyclic number.

It is not a de Polignac number, because 512254412212241 - 218 = 512254411950097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512254412212195 and 512254412212204.

It is not an unprimeable number, because it can be changed into a prime (512254412212211) 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 in 3 ways as a sum of consecutive naturals, for example, 15066306241520 + ... + 15066306241553.

It is an arithmetic number, because the mean of its divisors is an integer number (135596756173833).

Almost surely, 2512254412212241 is an apocalyptic number.

It is an amenable number.

512254412212241 is a deficient number, since it is larger than the sum of its proper divisors (30132612483091).

512254412212241 is a wasteful number, since it uses less digits than its factorization.

512254412212241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30132612483090.

The product of its digits is 102400, while the sum is 38.

Adding to 512254412212241 its reverse (142212214452215), we get a palindrome (654466626664456).

The spelling of 512254412212241 in words is "five hundred twelve trillion, two hundred fifty-four billion, four hundred twelve million, two hundred twelve thousand, two hundred forty-one".

Divisors: 1 17 30132612483073 512254412212241