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51116314241 = 107477722563
BaseRepresentation
bin101111100110110001…
…010000111010000001
311212221101100210212202
4233212301100322001
51314141234023431
635252120002545
73456465334136
oct574661207201
9155841323782
1051116314241
111a750910503
129aa6900455
134a881132b5
14268cab858d
1514e289e8cb
hexbe6c50e81

51116314241 has 4 divisors (see below), whose sum is σ = 51594036912. Its totient is φ = 50638591572.

The previous prime is 51116314231. The next prime is 51116314273. The reversal of 51116314241 is 14241361115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51116314241 - 210 = 51116313217 is a prime.

It is a super-2 number, since 2×511163142412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51116314231) by changing a digit.

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, 238861175 + ... + 238861388.

It is an arithmetic number, because the mean of its divisors is an integer number (12898509228).

Almost surely, 251116314241 is an apocalyptic number.

It is an amenable number.

51116314241 is a deficient number, since it is larger than the sum of its proper divisors (477722671).

51116314241 is a wasteful number, since it uses less digits than its factorization.

51116314241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477722670.

The product of its digits is 2880, while the sum is 29.

Adding to 51116314241 its reverse (14241361115), we get a palindrome (65357675356).

The spelling of 51116314241 in words is "fifty-one billion, one hundred sixteen million, three hundred fourteen thousand, two hundred forty-one".

Divisors: 1 107 477722563 51116314241