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30001123444 = 2270431064927
BaseRepresentation
bin11011111100001101…
…001101000001110100
32212102211101222110011
4123330031031001310
5442420241422234
621440552110004
72111312225125
oct337415150164
985384358404
1030001123444
11117a59410a6
125993395304
132aa1699566
14164865c04c
15ba8c9bb64
hex6fc34d074

30001123444 has 12 divisors (see below), whose sum is σ = 52509469824. Its totient is φ = 14998417784.

The previous prime is 30001123421. The next prime is 30001123447. The reversal of 30001123444 is 44432110003.

It is a super-2 number, since 2×300011234442 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001123447) 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, 504292 + ... + 560635.

It is an arithmetic number, because the mean of its divisors is an integer number (4375789152).

Almost surely, 230001123444 is an apocalyptic number.

It is an amenable number.

30001123444 is a deficient number, since it is larger than the sum of its proper divisors (22508346380).

30001123444 is a wasteful number, since it uses less digits than its factorization.

30001123444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071974 (or 1071972 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30001123444 its reverse (44432110003), we get a palindrome (74433233447).

The spelling of 30001123444 in words is "thirty billion, one million, one hundred twenty-three thousand, four hundred forty-four".

Divisors: 1 2 4 7043 14086 28172 1064927 2129854 4259708 7500280861 15000561722 30001123444