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30020133013 = 137333150397
BaseRepresentation
bin11011111101010101…
…101110000010010101
32212111011011202200021
4123331111232002111
5442440123224023
621442511345141
72111632630453
oct337525560225
985434152607
1030020133013
1111805645292
1259998221b1
132aa55c3c20
14164ada99d3
15baa7a435d
hex6fd56e095

30020133013 has 8 divisors (see below), whose sum is σ = 32373489848. Its totient is φ = 27673078464.

The previous prime is 30020133007. The next prime is 30020133023. The reversal of 30020133013 is 31033102003.

It can be written as a sum of positive squares in 4 ways, for example, as 12271765284 + 17748367729 = 110778^2 + 133223^2 .

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 30020133013 - 233 = 21430198421 is a prime.

It is a super-2 number, since 2×300201330132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020133023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565670 + ... + 1584727.

It is an arithmetic number, because the mean of its divisors is an integer number (4046686231).

Almost surely, 230020133013 is an apocalyptic number.

It is an amenable number.

30020133013 is a deficient number, since it is larger than the sum of its proper divisors (2353356835).

30020133013 is a wasteful number, since it uses less digits than its factorization.

30020133013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151143.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 30020133013 its reverse (31033102003), we get a palindrome (61053235016).

The spelling of 30020133013 in words is "thirty billion, twenty million, one hundred thirty-three thousand, thirteen".

Divisors: 1 13 733 9529 3150397 40955161 2309241001 30020133013