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493030343285 = 5257383681201
BaseRepresentation
bin1110010110010101110…
…01100000001001110101
31202010121010120110121122
413023022321200021311
531034211231441120
61014254531153325
750422515525434
oct7131271401165
91663533513548
10493030343285
11180102859227
127b676a45845
133765320a14c
1419c1172511b
15cc58d0ea25
hex72cae60275

493030343285 has 8 divisors (see below), whose sum is σ = 593938500696. Its totient is φ = 392889548800.

The previous prime is 493030343159. The next prime is 493030343339. The reversal of 493030343285 is 582343030394.

It can be written as a sum of positive squares in 4 ways, for example, as 203127785809 + 289902557476 = 450697^2 + 538426^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-493030343285 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 191839316 + ... + 191841885.

It is an arithmetic number, because the mean of its divisors is an integer number (74242312587).

Almost surely, 2493030343285 is an apocalyptic number.

It is an amenable number.

493030343285 is a deficient number, since it is larger than the sum of its proper divisors (100908157411).

493030343285 is a wasteful number, since it uses less digits than its factorization.

493030343285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383681463.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 493030343285 in words is "four hundred ninety-three billion, thirty million, three hundred forty-three thousand, two hundred eighty-five".

Divisors: 1 5 257 1285 383681201 1918406005 98606068657 493030343285