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5179743487 = 41151836657
BaseRepresentation
bin1001101001011110…
…01001110011111111
3111100222121020021101
410310233021303333
541102003242422
62213551513531
7242234043652
oct46457116377
914328536241
105179743487
112218914a46
1210068288a7
13647172a99
14371ccd899
15204b0dc27
hex134bc9cff

5179743487 has 8 divisors (see below), whose sum is σ = 5341224672. Its totient is φ = 5019936000.

The previous prime is 5179743461. The next prime is 5179743511. The reversal of 5179743487 is 7843479715.

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 5179743487 - 211 = 5179741439 is a prime.

It is a super-3 number, since 3×51797434873 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5179743587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412138 + ... + 424519.

It is an arithmetic number, because the mean of its divisors is an integer number (667653084).

Almost surely, 25179743487 is an apocalyptic number.

5179743487 is a deficient number, since it is larger than the sum of its proper divisors (161481185).

5179743487 is a wasteful number, since it uses less digits than its factorization.

5179743487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836849.

The product of its digits is 5927040, while the sum is 55.

The square root of 5179743487 is about 71970.4348118031. The cubic root of 5179743487 is about 1730.2256699386.

The spelling of 5179743487 in words is "five billion, one hundred seventy-nine million, seven hundred forty-three thousand, four hundred eighty-seven".

Divisors: 1 41 151 6191 836657 34302937 126335207 5179743487