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512211050453213 = 663617718555333
BaseRepresentation
bin111010001110110100110110…
…1101101100101100011011101
32111011120220020210022121202022
41310131221231231211203131
51014114031212404000323
65013214301431305525
7212614012216303106
oct16435515555454335
92434526223277668
10512211050453213
1113922a539736931
1249545b2451b2a5
1318ca63aa8b3847
14906b20b9a13ad
153e33bb8e9b4c8
hex1d1da6db658dd

512211050453213 has 4 divisors (see below), whose sum is σ = 512218769074908. Its totient is φ = 512203331831520.

The previous prime is 512211050453153. The next prime is 512211050453231. The reversal of 512211050453213 is 312354050112215.

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 282655885891129 + 229555164562084 = 16812373^2 + 15151078^2 .

It is a cyclic number.

It is not a de Polignac number, because 512211050453213 - 26 = 512211050453149 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 (512211050453413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3859211306 + ... + 3859344027.

It is an arithmetic number, because the mean of its divisors is an integer number (128054692268727).

Almost surely, 2512211050453213 is an apocalyptic number.

It is an amenable number.

512211050453213 is a deficient number, since it is larger than the sum of its proper divisors (7718621695).

512211050453213 is an equidigital number, since it uses as much as digits as its factorization.

512211050453213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718621694.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 512211050453213 in words is "five hundred twelve trillion, two hundred eleven billion, fifty million, four hundred fifty-three thousand, two hundred thirteen".

Divisors: 1 66361 7718555333 512211050453213