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51030351004441 = 82736168300617
BaseRepresentation
bin10111001101001011011011…
…11100011100001100011001
320200200110020220100110120111
423212211231330130030121
523142040124324120231
6300311004123124321
713514551445435434
oct1346455574341431
9220613226313514
1051030351004441
1115294939868926
1258820353736a1
1322621ab9cc033
14c85c4c94881b
155d763ac364b1
hex2e696df1c319

51030351004441 has 4 divisors (see below), whose sum is σ = 51036519313332. Its totient is φ = 51024182695552.

The previous prime is 51030351004427. The next prime is 51030351004447. The reversal of 51030351004441 is 14440015303015.

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 14458276179216 + 36572074825225 = 3802404^2 + 6047485^2 .

It is a cyclic number.

It is not a de Polignac number, because 51030351004441 - 215 = 51030350971673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51030351004447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3084142036 + ... + 3084158581.

It is an arithmetic number, because the mean of its divisors is an integer number (12759129828333).

Almost surely, 251030351004441 is an apocalyptic number.

It is an amenable number.

51030351004441 is a deficient number, since it is larger than the sum of its proper divisors (6168308891).

51030351004441 is an equidigital number, since it uses as much as digits as its factorization.

51030351004441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168308890.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 51030351004441 its reverse (14440015303015), we get a palindrome (65470366307456).

The spelling of 51030351004441 in words is "fifty-one trillion, thirty billion, three hundred fifty-one million, four thousand, four hundred forty-one".

Divisors: 1 8273 6168300617 51030351004441