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30112452052 = 2210969065257
BaseRepresentation
bin11100000010110101…
…111000110111010100
32212201120220001120221
4130002311320313110
5443132241431202
621500010204124
72114133422254
oct340265706724
985646801527
1030112452052
111185276aa11
125a04723644
132abb778587
14165935b964
15bb393d037
hex702d78dd4

30112452052 has 12 divisors (see below), whose sum is σ = 53180248660. Its totient is φ = 14918095296.

The previous prime is 30112452049. The next prime is 30112452059. The reversal of 30112452052 is 25025421103.

It can be written as a sum of positive squares in 2 ways, for example, as 17636902416 + 12475549636 = 132804^2 + 111694^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112452059) 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, 34532193 + ... + 34533064.

Almost surely, 230112452052 is an apocalyptic number.

It is an amenable number.

30112452052 is a deficient number, since it is larger than the sum of its proper divisors (23067796608).

30112452052 is a wasteful number, since it uses less digits than its factorization.

30112452052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69065370 (or 69065368 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 30112452052 its reverse (25025421103), we get a palindrome (55137873155).

The spelling of 30112452052 in words is "thirty billion, one hundred twelve million, four hundred fifty-two thousand, fifty-two".

Divisors: 1 2 4 109 218 436 69065257 138130514 276261028 7528113013 15056226026 30112452052