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51031110404 = 2219671461979
BaseRepresentation
bin101111100001101100…
…001111001100000100
311212201110001000012002
4233201230033030010
51314002431013104
635235433444432
73454412165351
oct574154171404
9155643030162
1051031110404
111a70780560a
129a82270718
134a73580421
142681659628
1514da16e01e
hexbe1b0f304

51031110404 has 12 divisors (see below), whose sum is σ = 94004677200. Its totient is φ = 24172631208.

The previous prime is 51031110397. The next prime is 51031110451. The reversal of 51031110404 is 40401113015.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335730914 + ... + 335731065.

It is an arithmetic number, because the mean of its divisors is an integer number (7833723100).

Almost surely, 251031110404 is an apocalyptic number.

It is an amenable number.

51031110404 is a deficient number, since it is larger than the sum of its proper divisors (42973566796).

51031110404 is a wasteful number, since it uses less digits than its factorization.

51031110404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671462002 (or 671462000 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 51031110404 its reverse (40401113015), we get a palindrome (91432223419).

The spelling of 51031110404 in words is "fifty-one billion, thirty-one million, one hundred ten thousand, four hundred four".

Divisors: 1 2 4 19 38 76 671461979 1342923958 2685847916 12757777601 25515555202 51031110404