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505024843241 = 1052947965129
BaseRepresentation
bin1110101100101011101…
…00111000110111101001
31210021120001100012022202
413112111310320313221
531233242324440431
61024001043025545
751325662224162
oct7262564706751
91707501305282
10505024843241
111851a83a3606
1281a6396b2b5
13388151973b9
141a62c710769
15d20bd458cb
hex7595d38de9

505024843241 has 4 divisors (see below), whose sum is σ = 505072818900. Its totient is φ = 504976867584.

The previous prime is 505024843199. The next prime is 505024843247. The reversal of 505024843241 is 142348420505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142348420505 = 528469684101.

It can be written as a sum of positive squares in 2 ways, for example, as 256622283241 + 248402560000 = 506579^2 + 498400^2 .

It is a cyclic number.

It is not a de Polignac number, because 505024843241 - 26 = 505024843177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505024843195 and 505024843204.

It is not an unprimeable number, because it can be changed into a prime (505024843247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23972036 + ... + 23993093.

It is an arithmetic number, because the mean of its divisors is an integer number (126268204725).

Almost surely, 2505024843241 is an apocalyptic number.

It is an amenable number.

505024843241 is a deficient number, since it is larger than the sum of its proper divisors (47975659).

505024843241 is a wasteful number, since it uses less digits than its factorization.

505024843241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47975658.

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 505024843241 in words is "five hundred five billion, twenty-four million, eight hundred forty-three thousand, two hundred forty-one".

Divisors: 1 10529 47965129 505024843241