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494453909354494 = 219142780871127537
BaseRepresentation
bin111000001101101000000010…
…1100111111111011111111110
32101211201022222002120102100011
41300123100011213333133332
51004302113101243320434
64511340553511253434
7206102054546332225
oct16033200547773776
92354638862512304
10494453909354494
111336037a8497751
124755859197a27a
13182b8a5a61696b
148a159a8439cbc
153c26d33020e64
hex1c1b4059ff7fe

494453909354494 has 32 divisors (see below), whose sum is σ = 781361102833920. Its totient is φ = 234021729472128.

The previous prime is 494453909354459. The next prime is 494453909354497.

494453909354494 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 494453909354494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494453909354497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437961894 + ... + 439089430.

It is an arithmetic number, because the mean of its divisors is an integer number (24417534463560).

Almost surely, 2494453909354494 is an apocalyptic number.

494453909354494 is a deficient number, since it is larger than the sum of its proper divisors (286907193479426).

494453909354494 is a wasteful number, since it uses less digits than its factorization.

494453909354494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137072.

The product of its (nonzero) digits is 6046617600, while the sum is 76.

The spelling of 494453909354494 in words is "four hundred ninety-four trillion, four hundred fifty-three billion, nine hundred nine million, three hundred fifty-four thousand, four hundred ninety-four".

Divisors: 1 2 19 38 1427 2854 8087 16174 27113 54226 153653 307306 1127537 2255074 11540149 21423203 23080298 42846406 219262831 438525662 1608995299 3217990598 9118391719 18236783438 30570910681 61141821362 173249442661 346498885322 13011944983013 26023889966026 247226954677247 494453909354494