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305130123053 = 7121421358999
BaseRepresentation
bin1000111000010110010…
…11000010111100101101
31002011121001011021120122
410130023023002330231
514444401302414203
6352101433254325
731021260152330
oct4341313027455
91064531137518
10305130123053
1110844aaaa718
124b1775643a5
1322a09919c92
1410aa85d6617
157e0cc6a538
hex470b2c2f2d

305130123053 has 8 divisors (see below), whose sum is σ = 348723984000. Its totient is φ = 261537222960.

The previous prime is 305130123041. The next prime is 305130123083. The reversal of 305130123053 is 350321031503.

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 305130123053 - 212 = 305130118957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305130123083) 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 7 ways as a sum of consecutive naturals, for example, 670448 + ... + 1029446.

It is an arithmetic number, because the mean of its divisors is an integer number (43590498000).

Almost surely, 2305130123053 is an apocalyptic number.

It is an amenable number.

305130123053 is a deficient number, since it is larger than the sum of its proper divisors (43593860947).

305130123053 is a wasteful number, since it uses less digits than its factorization.

305130123053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480427.

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 305130123053 its reverse (350321031503), we get a palindrome (655451154556).

The spelling of 305130123053 in words is "three hundred five billion, one hundred thirty million, one hundred twenty-three thousand, fifty-three".

Divisors: 1 7 121421 358999 849947 2512993 43590017579 305130123053