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51320214113 = 716974320247
BaseRepresentation
bin101111110010111011…
…000101001001100001
311220110121000222220212
4233302323011021201
51320100433322423
635324242143505
73464522423330
oct576273051141
9156417028825
1051320214113
111a845a174a3
129b43051b95
134abb4346cc
1426abbd3d17
151505729578
hexbf2ec5261

51320214113 has 8 divisors (see below), whose sum is σ = 58686248832. Its totient is φ = 43962823296.

The previous prime is 51320214073. The next prime is 51320214137. The reversal of 51320214113 is 31141202315.

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

It is not a de Polignac number, because 51320214113 - 214 = 51320197729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51320214013) 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, 2148245 + ... + 2172002.

It is an arithmetic number, because the mean of its divisors is an integer number (7335781104).

Almost surely, 251320214113 is an apocalyptic number.

It is an amenable number.

51320214113 is a deficient number, since it is larger than the sum of its proper divisors (7366034719).

51320214113 is a wasteful number, since it uses less digits than its factorization.

51320214113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321951.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 51320214113 its reverse (31141202315), we get a palindrome (82461416428).

The spelling of 51320214113 in words is "fifty-one billion, three hundred twenty million, two hundred fourteen thousand, one hundred thirteen".

Divisors: 1 7 1697 11879 4320247 30241729 7331459159 51320214113