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51050061013 = 712375895607
BaseRepresentation
bin101111100010110100…
…100001110011010101
311212202202200210112111
4233202310201303111
51314022303423023
635241351551021
73455032234060
oct574264416325
9155682623474
1051050061013
111a717479476
129a8868b471
134a77486cc3
142683d8d8d7
1514dbb6400d
hexbe2d21cd5

51050061013 has 8 divisors (see below), whose sum is σ = 58390101632. Its totient is φ = 43721814096.

The previous prime is 51050061011. The next prime is 51050061019. The reversal of 51050061013 is 31016005015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51050061013 - 21 = 51050061011 is a prime.

It is a super-2 number, since 2×510500610132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51050061011) by changing a digit.

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, 2939145 + ... + 2956462.

It is an arithmetic number, because the mean of its divisors is an integer number (7298762704).

Almost surely, 251050061013 is an apocalyptic number.

It is an amenable number.

51050061013 is a deficient number, since it is larger than the sum of its proper divisors (7340040619).

51050061013 is a wasteful number, since it uses less digits than its factorization.

51050061013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896851.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 51050061013 its reverse (31016005015), we get a palindrome (82066066028).

The spelling of 51050061013 in words is "fifty-one billion, fifty million, sixty-one thousand, thirteen".

Divisors: 1 7 1237 8659 5895607 41269249 7292865859 51050061013