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30517668244213 = 47516423419963
BaseRepresentation
bin1101111000001011100101…
…10001100110101011110101
311000001110102202211021100221
412330011302301212223311
513000000141032303323
6144523342342134341
76266554161020623
oct674056261465365
9130043382737327
1030517668244213
1197a651a147977
12350a6414213b1
131404a5ab515a7
147770c4d1c513
1537dc7bad255d
hex1bc172c66af5

30517668244213 has 4 divisors (see below), whose sum is σ = 30524091668928. Its totient is φ = 30511244819500.

The previous prime is 30517668244123. The next prime is 30517668244237. The reversal of 30517668244213 is 31244286671503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30517668244213 - 225 = 30517634689781 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 (30517662244213) 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, 3211705231 + ... + 3211714732.

It is an arithmetic number, because the mean of its divisors is an integer number (7631022917232).

Almost surely, 230517668244213 is an apocalyptic number.

It is an amenable number.

30517668244213 is a deficient number, since it is larger than the sum of its proper divisors (6423424715).

30517668244213 is an equidigital number, since it uses as much as digits as its factorization.

30517668244213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423424714.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 30517668244213 in words is "thirty trillion, five hundred seventeen billion, six hundred sixty-eight million, two hundred forty-four thousand, two hundred thirteen".

Divisors: 1 4751 6423419963 30517668244213