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30053211523 = 105130899257
BaseRepresentation
bin11011111111010011…
…111001110110000011
32212120110102022212021
4123333103321312003
5443022110232043
621450052342311
72112514040326
oct337723716603
985513368767
1030053211523
11118222886a5
1259a8914997
132aac4061ca
14165153a7bd
15bad63a3ed
hex6ff4f9d83

30053211523 has 8 divisors (see below), whose sum is σ = 30094795440. Its totient is φ = 30011654400.

The previous prime is 30053211491. The next prime is 30053211577. The reversal of 30053211523 is 32511235003.

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 30053211523 - 25 = 30053211491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30053212523) 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 7 ways as a sum of consecutive naturals, for example, 3241911 + ... + 3251167.

It is an arithmetic number, because the mean of its divisors is an integer number (3761849430).

Almost surely, 230053211523 is an apocalyptic number.

30053211523 is a deficient number, since it is larger than the sum of its proper divisors (41583917).

30053211523 is a wasteful number, since it uses less digits than its factorization.

30053211523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13397.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 30053211523 its reverse (32511235003), we get a palindrome (62564446526).

The spelling of 30053211523 in words is "thirty billion, fifty-three million, two hundred eleven thousand, five hundred twenty-three".

Divisors: 1 1051 3089 9257 3246539 9729107 28594873 30053211523