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489460447965 = 3570134652887
BaseRepresentation
bin1110001111101100001…
…11011011101011011101
31201210101100011222212110
413013312013123223131
531004403333313330
61012504404024233
750235200106366
oct7076607335335
91653340158773
10489460447965
11179640732015
127aa3b392079
133720473a858
1419993570b6d
15caea6e7db0
hex71f61dbadd

489460447965 has 16 divisors (see below), whose sum is σ = 783248554368. Its totient is φ = 261008293056.

The previous prime is 489460447963. The next prime is 489460447981. The reversal of 489460447965 is 569744064984.

It is not a de Polignac number, because 489460447965 - 21 = 489460447963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489460447896 and 489460447905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489460447961) 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, 2221249 + ... + 2431638.

It is an arithmetic number, because the mean of its divisors is an integer number (48953034648).

Almost surely, 2489460447965 is an apocalyptic number.

It is an amenable number.

489460447965 is a deficient number, since it is larger than the sum of its proper divisors (293788106403).

489460447965 is a wasteful number, since it uses less digits than its factorization.

489460447965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659908.

The product of its (nonzero) digits is 209018880, while the sum is 66.

The spelling of 489460447965 in words is "four hundred eighty-nine billion, four hundred sixty million, four hundred forty-seven thousand, nine hundred sixty-five".

Divisors: 1 3 5 15 7013 21039 35065 105195 4652887 13958661 23264435 69793305 32630696531 97892089593 163153482655 489460447965