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30110121233 = 109297275489
BaseRepresentation
bin11100000010101100…
…111111110100010001
32212201102111122022022
4130002230333310101
5443131142334413
621455444221225
72114104544003
oct340254776421
985642448268
1030110121233
1111851418815
125a0399a815
132abb1406aa
141658d12373
15bb362c608
hex702b3fd11

30110121233 has 4 divisors (see below), whose sum is σ = 30110506020. Its totient is φ = 30109736448.

The previous prime is 30110121221. The next prime is 30110121277. The reversal of 30110121233 is 33212101103.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2591624464 + 27518496769 = 50908^2 + 165887^2 .

It is a cyclic number.

It is not a de Polignac number, because 30110121233 - 232 = 25815153937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30110123233) 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, 28448 + ... + 247041.

It is an arithmetic number, because the mean of its divisors is an integer number (7527626505).

Almost surely, 230110121233 is an apocalyptic number.

It is an amenable number.

30110121233 is a deficient number, since it is larger than the sum of its proper divisors (384787).

30110121233 is a wasteful number, since it uses less digits than its factorization.

30110121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384786.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30110121233 its reverse (33212101103), we get a palindrome (63322222336).

The spelling of 30110121233 in words is "thirty billion, one hundred ten million, one hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 109297 275489 30110121233