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203131110304 = 256347847197
BaseRepresentation
bin1011110100101110001…
…1101100001110100000
3201102022120000120100201
42331023203230032200
511312003031012204
6233152300354544
720450530643323
oct2751343541640
9642276016321
10203131110304
1179169241771
1233450245a54
1316202c1a675
149b8dc967ba
15543d2b59a4
hex2f4b8ec3a0

203131110304 has 12 divisors (see below), whose sum is σ = 399914373474. Its totient is φ = 101565555136.

The previous prime is 203131110233. The next prime is 203131110317. The reversal of 203131110304 is 403011131302.

203131110304 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 only one way, i.e., 143080627600 + 60050482704 = 378260^2 + 245052^2 .

It is a super-3 number, since 3×2031311103043 (a number of 35 digits) contains 333 as substring.

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 as a sum of consecutive naturals, namely, 3173923567 + ... + 3173923630.

Almost surely, 2203131110304 is an apocalyptic number.

It is an amenable number.

203131110304 is a deficient number, since it is larger than the sum of its proper divisors (196783263170).

203131110304 is an equidigital number, since it uses as much as digits as its factorization.

203131110304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347847207 (or 6347847199 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 203131110304 its reverse (403011131302), we get a palindrome (606142241606).

The spelling of 203131110304 in words is "two hundred three billion, one hundred thirty-one million, one hundred ten thousand, three hundred four".

Divisors: 1 2 4 8 16 32 6347847197 12695694394 25391388788 50782777576 101565555152 203131110304