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493881980305 = 5726175392019
BaseRepresentation
bin1110010111111011010…
…10001111010110010001
31202012210111002002222111
413023331222033112101
531042432241332210
61014515232505321
750452566365260
oct7137552172621
91665714062874
10493881980305
111804aa55877a
127b8740ab241
133775a79c58c
1419c928925d7
15cca898688a
hex72fda8f591

493881980305 has 16 divisors (see below), whose sum is σ = 677582801280. Its totient is φ = 338532458112.

The previous prime is 493881980269. The next prime is 493881980329. The reversal of 493881980305 is 503089188394.

It is a cyclic number.

It is not a de Polignac number, because 493881980305 - 27 = 493881980177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493881980305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2604415 + ... + 2787604.

It is an arithmetic number, because the mean of its divisors is an integer number (42348925080).

Almost surely, 2493881980305 is an apocalyptic number.

It is an amenable number.

493881980305 is a deficient number, since it is larger than the sum of its proper divisors (183700820975).

493881980305 is a wasteful number, since it uses less digits than its factorization.

493881980305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5394648.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 493881980305 in words is "four hundred ninety-three billion, eight hundred eighty-one million, nine hundred eighty thousand, three hundred five".

Divisors: 1 5 7 35 2617 13085 18319 91595 5392019 26960095 37744133 188720665 14110913723 70554568615 98776396061 493881980305