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30312023330 = 253031202333
BaseRepresentation
bin11100001110101111…
…001100010100100010
32220020111102022220202
4130032233030110202
5444034334221310
621531455505202
72122105642601
oct341657142442
986214368822
1030312023330
111194538a856
125a5b528202
132b20c126a4
141677a6ba38
15bc62103a5
hex70ebcc522

30312023330 has 8 divisors (see below), whose sum is σ = 54561642012. Its totient is φ = 12124809328.

The previous prime is 30312023327. The next prime is 30312023341. The reversal of 30312023330 is 3332021303.

It can be written as a sum of positive squares in 2 ways, for example, as 30224170201 + 87853129 = 173851^2 + 9373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515601157 + ... + 1515601176.

Almost surely, 230312023330 is an apocalyptic number.

30312023330 is a deficient number, since it is larger than the sum of its proper divisors (24249618682).

30312023330 is a wasteful number, since it uses less digits than its factorization.

30312023330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031202340.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30312023330 its reverse (3332021303), we get a palindrome (33644044633).

The spelling of 30312023330 in words is "thirty billion, three hundred twelve million, twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 3031202333 6062404666 15156011665 30312023330