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30120041033 = 53568302661
BaseRepresentation
bin11100000011010010…
…110101101001001001
32212202010011121201022
4130003102311221021
5443141212303113
621500441002225
72114255060465
oct340322655111
985663147638
1030120041033
1111856a836a5
125a07183375
132ac02048b4
14165a3754a5
15bb443b908
hex7034b5a49

30120041033 has 4 divisors (see below), whose sum is σ = 30688343748. Its totient is φ = 29551738320.

The previous prime is 30120041011. The next prime is 30120041041. The reversal of 30120041033 is 33014002103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12678084409 + 17441956624 = 112597^2 + 132068^2 .

It is a cyclic number.

It is not a de Polignac number, because 30120041033 - 26 = 30120040969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30120041333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284151278 + ... + 284151383.

It is an arithmetic number, because the mean of its divisors is an integer number (7672085937).

Almost surely, 230120041033 is an apocalyptic number.

It is an amenable number.

30120041033 is a deficient number, since it is larger than the sum of its proper divisors (568302715).

30120041033 is an equidigital number, since it uses as much as digits as its factorization.

30120041033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568302714.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30120041033 its reverse (33014002103), we get a palindrome (63134043136).

The spelling of 30120041033 in words is "thirty billion, one hundred twenty million, forty-one thousand, thirty-three".

Divisors: 1 53 568302661 30120041033