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489393605346 = 231717472746409
BaseRepresentation
bin1110001111100100010…
…00011100101011100010
31201210012200102001000220
413013302020130223202
531004234230332341
61012454015223510
750233426003062
oct7076210345342
91653180361026
10489393605346
11179606a28188
127aa20b17b96
13371c39361c9
14199887313a2
15cae48e2a66
hex71f221cae2

489393605346 has 32 divisors (see below), whose sum is σ = 1036956530880. Its totient is φ = 153447307776.

The previous prime is 489393605333. The next prime is 489393605413. The reversal of 489393605346 is 643506393984.

It is a super-2 number, since 2×4893936053462 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 489393605346.

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 15 ways as a sum of consecutive naturals, for example, 1195011 + ... + 1551398.

It is an arithmetic number, because the mean of its divisors is an integer number (32404891590).

Almost surely, 2489393605346 is an apocalyptic number.

489393605346 is an abundant number, since it is smaller than the sum of its proper divisors (547562925534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489393605346 is a wasteful number, since it uses less digits than its factorization.

489393605346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748178.

The product of its (nonzero) digits is 50388480, while the sum is 60.

The spelling of 489393605346 in words is "four hundred eighty-nine billion, three hundred ninety-three million, six hundred five thousand, three hundred forty-six".

Divisors: 1 2 3 6 17 34 51 102 1747 3494 5241 10482 29699 59398 89097 178194 2746409 5492818 8239227 16478454 46688953 93377906 140066859 280133718 4797976523 9595953046 14393929569 28787859138 81565600891 163131201782 244696802673 489393605346