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30321301133 = 172104917997
BaseRepresentation
bin11100001111010010…
…100101011010001101
32220021010212200200002
4130033102211122031
5444044223114013
621532430414045
72122250543564
oct341722453215
986233780602
1030321301133
111194a647362
125a62661325
132b22b10606
141678da4bdb
15bc6e44358
hex70f4a568d

30321301133 has 6 divisors (see below), whose sum is σ = 32209825386. Its totient is φ = 28537694912.

The previous prime is 30321301121. The next prime is 30321301141. The reversal of 30321301133 is 33110312303.

It can be written as a sum of positive squares in 3 ways, for example, as 22105147684 + 8216153449 = 148678^2 + 90643^2 .

It is not a de Polignac number, because 30321301133 - 210 = 30321300109 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 (30321301033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52458710 + ... + 52459287.

It is an arithmetic number, because the mean of its divisors is an integer number (5368304231).

Almost surely, 230321301133 is an apocalyptic number.

It is an amenable number.

30321301133 is a deficient number, since it is larger than the sum of its proper divisors (1888524253).

30321301133 is a wasteful number, since it uses less digits than its factorization.

30321301133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104918031 (or 104918014 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 30321301133 its reverse (33110312303), we get a palindrome (63431613436).

The spelling of 30321301133 in words is "thirty billion, three hundred twenty-one million, three hundred one thousand, one hundred thirty-three".

Divisors: 1 17 289 104917997 1783605949 30321301133