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203110010012 = 22713557994533
BaseRepresentation
bin1011110100101001001…
…1001100110010011100
3201102021002022120012102
42331022103030302130
511311432130310022
6233150224224232
720450153412410
oct2751223146234
9642232276172
10203110010012
117915833a808
123344516b078
13161cb7404a0
149b8b162d40
15543b4e8a92
hex2f4a4ccc9c

203110010012 has 24 divisors (see below), whose sum is σ = 437467714656. Its totient is φ = 80351212608.

The previous prime is 203110009997. The next prime is 203110010107. The reversal of 203110010012 is 210010011302.

203110010012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 203110009975 and 203110010002.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 278996903 + ... + 278997630.

It is an arithmetic number, because the mean of its divisors is an integer number (18227821444).

Almost surely, 2203110010012 is an apocalyptic number.

It is an amenable number.

203110010012 is an abundant number, since it is smaller than the sum of its proper divisors (234357704644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203110010012 is a wasteful number, since it uses less digits than its factorization.

203110010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557994557 (or 557994555 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 203110010012 its reverse (210010011302), we get a palindrome (413120021314).

The spelling of 203110010012 in words is "two hundred three billion, one hundred ten million, ten thousand, twelve".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 557994533 1115989066 2231978132 3905961731 7253928929 7811923462 14507857858 15623846924 29015715716 50777502503 101555005006 203110010012