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203012130212 = 22113449141881
BaseRepresentation
bin1011110100010001110…
…1110100010110100100
3201102000021010202100122
42331010131310112210
511311232101131322
6233132410301112
720444554430513
oct2750435642644
9642007122318
10203012130212
1179108067211
1233418427798
13161b438ca48
149b7c16467a
155432b12442
hex2f447745a4

203012130212 has 12 divisors (see below), whose sum is σ = 358415221836. Its totient is φ = 100607781120.

The previous prime is 203012130197. The next prime is 203012130239. The reversal of 203012130212 is 212031210302.

203012130212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7289061376 + 195723068836 = 85376^2 + 442406^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224570489 + ... + 224571392.

It is an arithmetic number, because the mean of its divisors is an integer number (29867935153).

Almost surely, 2203012130212 is an apocalyptic number.

It is an amenable number.

203012130212 is a deficient number, since it is larger than the sum of its proper divisors (155403091624).

203012130212 is a wasteful number, since it uses less digits than its factorization.

203012130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449141998 (or 449141996 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 203012130212 its reverse (212031210302), we get a palindrome (415043340514).

The spelling of 203012130212 in words is "two hundred three billion, twelve million, one hundred thirty thousand, two hundred twelve".

Divisors: 1 2 4 113 226 452 449141881 898283762 1796567524 50753032553 101506065106 203012130212