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319332920717 = 1871331706449
BaseRepresentation
bin1001010010110011011…
…10011010110110001101
31010112020212020011020202
410221121232122312031
520212443211430332
6402411032423245
732033240016566
oct4513156326615
91115225204222
10319332920717
11113479121828
1251a7bb47b25
1324161252675
14116549bd16d
15848eaaba62
hex4a59b9ad8d

319332920717 has 4 divisors (see below), whose sum is σ = 319334814300. Its totient is φ = 319331027136.

The previous prime is 319332920677. The next prime is 319332920747. The reversal of 319332920717 is 717029233913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 717029233913 = 2924725145997.

It can be written as a sum of positive squares in 2 ways, for example, as 107204511241 + 212128409476 = 327421^2 + 460574^2 .

It is a cyclic number.

It is not a de Polignac number, because 319332920717 - 26 = 319332920653 is a prime.

It is a super-3 number, since 3×3193329207173 (a number of 35 digits) contains 333 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 (319332920747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666092 + ... + 1040357.

It is an arithmetic number, because the mean of its divisors is an integer number (79833703575).

Almost surely, 2319332920717 is an apocalyptic number.

It is an amenable number.

319332920717 is a deficient number, since it is larger than the sum of its proper divisors (1893583).

319332920717 is a wasteful number, since it uses less digits than its factorization.

319332920717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893582.

The product of its (nonzero) digits is 428652, while the sum is 47.

The spelling of 319332920717 in words is "three hundred nineteen billion, three hundred thirty-two million, nine hundred twenty thousand, seven hundred seventeen".

Divisors: 1 187133 1706449 319332920717