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203130004011 = 31119930931933
BaseRepresentation
bin1011110100101101111…
…1011110001000101011
3201102022110221100210220
42331023133132020223
511312002240112021
6233152220541123
720450515355064
oct2751337361053
9642273840726
10203130004011
1179168656580
123344b9b17a3
1316202920c5c
149b8da8956b
15543d147cc6
hex2f4b7de22b

203130004011 has 16 divisors (see below), whose sum is σ = 296946566400. Its totient is φ = 122490450720.

The previous prime is 203130003991. The next prime is 203130004031. The reversal of 203130004011 is 110400031302.

It is an interprime number because it is at equal distance from previous prime (203130003991) and next prime (203130004031).

It is not a de Polignac number, because 203130004011 - 221 = 203127906859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203130004031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15459400 + ... + 15472533.

It is an arithmetic number, because the mean of its divisors is an integer number (18559160400).

Almost surely, 2203130004011 is an apocalyptic number.

203130004011 is a deficient number, since it is larger than the sum of its proper divisors (93816562389).

203130004011 is a wasteful number, since it uses less digits than its factorization.

203130004011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30932146.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 203130004011 its reverse (110400031302), we get a palindrome (313530035313).

The spelling of 203130004011 in words is "two hundred three billion, one hundred thirty million, four thousand, eleven".

Divisors: 1 3 11 33 199 597 2189 6567 30931933 92795799 340251263 1020753789 6155454667 18466364001 67710001337 203130004011