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30320033013 = 3227771213141
BaseRepresentation
bin11100001111001101…
…101111110011110101
32220021001111021010200
4130033031233303311
5444043412024023
621532343311113
72122234012464
oct341715576365
986231437120
1030320033013
1111949960626
125a6214b499
132b2278834a
141678b549db
15bc6c93743
hex70f36fcf5

30320033013 has 12 divisors (see below), whose sum is σ = 43811410188. Its totient is φ = 20206059840.

The previous prime is 30320032979. The next prime is 30320033027. The reversal of 30320033013 is 31033002303.

30320033013 is a `hidden beast` number, since 3 + 0 + 320 + 0 + 330 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11676315249 + 18643717764 = 108057^2 + 136542^2 .

It is not a de Polignac number, because 30320033013 - 213 = 30320024821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320033033) 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 11 ways as a sum of consecutive naturals, for example, 581578 + ... + 631563.

It is an arithmetic number, because the mean of its divisors is an integer number (3650950849).

Almost surely, 230320033013 is an apocalyptic number.

It is an amenable number.

30320033013 is a deficient number, since it is larger than the sum of its proper divisors (13491377175).

30320033013 is a wasteful number, since it uses less digits than its factorization.

30320033013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215924 (or 1215921 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

Adding to 30320033013 its reverse (31033002303), we get a palindrome (61353035316).

The spelling of 30320033013 in words is "thirty billion, three hundred twenty million, thirty-three thousand, thirteen".

Divisors: 1 3 9 2777 8331 24993 1213141 3639423 10918269 3368892557 10106677671 30320033013