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30213313133 = 37879797627
BaseRepresentation
bin11100001000110110…
…101001001001101101
32212222121200022222112
4130020312221021231
5443334102010013
621514012053405
72116466632013
oct341066511155
985877608875
1030213313133
11118a469a383
125a32464265
132b06630ca3
1416688d48b3
15bbc712ba8
hex708da926d

30213313133 has 4 divisors (see below), whose sum is σ = 30214148640. Its totient is φ = 30212477628.

The previous prime is 30213313099. The next prime is 30213313139. The reversal of 30213313133 is 33131331203.

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 30213313133 - 226 = 30146204269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30213313099 and 30213313108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213313139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360935 + ... + 436692.

It is an arithmetic number, because the mean of its divisors is an integer number (7553537160).

Almost surely, 230213313133 is an apocalyptic number.

It is an amenable number.

30213313133 is a deficient number, since it is larger than the sum of its proper divisors (835507).

30213313133 is an equidigital number, since it uses as much as digits as its factorization.

30213313133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835506.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 30213313133 its reverse (33131331203), we get a palindrome (63344644336).

The spelling of 30213313133 in words is "thirty billion, two hundred thirteen million, three hundred thirteen thousand, one hundred thirty-three".

Divisors: 1 37879 797627 30213313133